What controls the heart rate in the human body

Answers

Answer 1

Answer: the nerve system

Explanation:

Answer 2

Answer:

Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS)

Explanation:

The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate

I hope this help you


Related Questions

In the current public health model, trying to reduce the impact of disease or injury that has already occurred is an example of ____________________________ prevention.
a. Primary
b. None of the above
c. Secondary
d. Tertiary

Answers

Answer:

d. Tertiary prevention.

Tertiary prevention aims to soften the impact of an ongoing illness or injury that has lasting effects.

Explanation:

this is because it has already occurred and no one was able to attend to it. so you trying to work on it makes it unique.

PLEASE HELP ASAP FAST PLEASE

Answers

Answer:

sorry again

it's an MCQ test

biology

brown

Dạ dày nối tiếp với thực quản qua

Answers

Answer:plz mark me as a brainlist

Explanation:

The lower esophageal sphincter (LES) is a bundle of muscles at the low end of the esophagus, where it meets the stomach.

___ are non green organism with bodies usually made up of thread like structures​

Answers

Answer:

chromoses are non green organisms with bodies usually made up of thread like structure

Answer:

Chromosomes are non-green organisms with bodies usually made up of thread-like structures.

Explanation:

describe how the human body maintains the carbon dioxide consetration in the blood when it rises above normal limits​

Answers

Answer:

carbonic anhydrase helps to maintain the acid-base balance in the bloodstream and is present in high concentration in erythrocytes

Explanation:

as levels of CO2 in the blood begins to rise,the body can respond through hypoventilation or hyperventilation respectively

As degrees of CO2 in the blood begin to upward push, the body can reply through hyperventilation or hypoventilation, respectively. The CO2 is sure to hemoglobin paperwork a carbamino compound. In circumstances in which the CO2 and H+ concentrations are excessive, the affinity of hemoglobin for O2 is reduced.

How does the frame adjust the quantity of carbon dioxide within the blood?

The blood consists of carbon dioxide to the lungs, where it's miles exhaled. As carbon dioxide accumulates in the blood, the pH of the blood decreases (acidity will increase). The mind regulates the quantity of carbon dioxide that is exhaled by controlling the rate and depth of respiration (airflow).

How does the frame alter blood oxygen ranges?

The carotid frame represents an international oxygen-sensing mechanism in mammals. whilst the glomus cells within the carotid frame locate hypoxia, they may be depolarized and ship signals to the respiratory centers within the medulla oblongata to boom respiration price.

Learn more about carbon dioxide here: https://brainly.com/question/25385913

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9.During exercise, blood flow to skeletal muscles increases. The initial response that increases blood flow is automatic in independent of the nervous and endocrine systems. Which type of homeostatic regulation is this (extrinsic or intrinsic)

Answers

Answer:

Extrinsic Homeostatic Regulation

Explanation:

Extrinsic homeostatic regulation requires input from nervous system or endocrine system. The skeletal muscles are independent on the nervous and endocrine system, so therefore the homeostatic regulation is extrinsic.

why do fungeses have so mushroom? because they are hufungus.

Answers

Answer:

The fruiting bodies of fungi grow on wood chips, shredded bark and other mulches, and the resulting mushrooms may look unsightly but are mostly harmless. Fungi help break down dead organic matter, providing nutrients for plants. The mushrooms they grow emit spores that spread the fungi to new areas.

A cat jumped off a shelf. It has 40 Joules of Mechanical Energy and 16 Joules of Kinetic Energy. What is the Potential Energy? (ENTER THE NUMERICAL VALUE ONLY)

Answers

Answer:

24 Joules

Explanation:

The formula is mechanical energy = kinetic energy + potential energy. So in order to find the potential energy you will need to reverse it.

Mechanical energy- Kinetic energy= Potential energy.

40- 16= 24

Answer: 24 Jolues.

Hope this helps!

two ways grasshoppers are adapted for eating grass

Answers

Answer:

Grasshoppers have long, strong hind legs that help them jump. This adaptation helps them get away from predators, and jump over tall grasses

During New Moon, when does the Moon set?

Answers

Answer:

New Moon Rises at sunrise, transits meridian at noon, sets at sunset

Explanation:

PLS mark it brainliest

What is epistasis?


traits where one gene interferes with the effect of another

traits whose genes are inherited separately

traits whose genes are inherited together

when a single gene controls a trait

Answers

Answer:

A

Explanation:

traits where one gene interferes with the effect of another

giving brainliest!!
The monomers, or small units, used in the synthesis of DNA molecules are called

disaccharides
amino acids
nitrogenous bases
nucleotides

Answers

Answer:

D. nucleotides

Explanation:

The monomers of DNA are called nucleotides. Nucleotides have three components: a base, a sugar (deoxyribose) and a phosphate residue. The four bases are adenine (A), cytosine (C), guanine (G) and thymine (T). The sugar and phosphate create a backbone down either side of the double helix.

D. Nucleotides.

Nucleotides are the name given to DNA's monomers. A backbone is formed by the sugar and phosphate down either side of the double helix.

What is the synthesis of DNA?

These nucleotide units bind together to produce DNA, which can happen naturally or artificially (in vitro) (in vivo). A nitrogenous base (cytosine, guanine, adenine, or thymine), pentose sugar (deoxyribose), and phosphate group make up a nucleotide unit.

DNA replication is the process through which new DNA strands are created in living cells.

All living cells in the natural world synthesize DNA molecules through the process of DNA replication. This frequently happens during cell division. DNA replication happens so that each daughter cell has a precise copy during cell division.

To learn more about DNA synthesis refer to:

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2.
1. Which of the following organs functions as
part of the genitourinary system to maintain
blood pressure?
A. Heart
B. Kidney
C. Urinary bladder
D. Ureter

Answers

Answer:

B. Kidney

Explanation:

The kidneys play a central role in the regulation of arterial blood pressure. A large body of experimental and physiological evidence indicates that renal control of extracellular volume and renal perfusion pressure are closely involved in maintaining the arterial circulation and blood pressure

pls help me for number 9 !! : ) ( Science )

Answers

Answer:

it is the life process of butterfly

The ear is on the blank surface of the head

Answers

Answer:

The ear is on the blank surface of the head is the most superier

Explanation:

Why shouldn't you drink alcohol or coffee if you have hypothermia?

Answers

Avoid caffeine. It is a vasoconstrictor that increases the chances of peripheral frostbite. Avoid alcohol. It is a vasodilator and increases heat loss.

Any change in the nucleotide sequence of DNA is called a?
-mutation.
-frameshift.
-O base substitution.

Answers

Answer:

mutation

Explanation:

As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation.

Where is the moon located in relation to Earth and the sun when it is a first-quarter moon? (1 point)


behind Earth and away from the sun

perpendicular to Earth and the sun

between Earth and the sun

behind the sun and away from Earth

Answers

Answer:

Moon lies perpendicular to a line between Earth and the Sun.

why pancreas is called both exocrine and endocrine gland?​

Answers

Answer:

This question is in my stored notes read below

Explanation:

Pancreas is an exocrine gland as it has a duct to store pancreatic juice secreted by the pancreas and use it whenever required. It is considered as a endocrine gland as it does not have a duct to store the hormones insulin and glucagon which are directly supplied to the blood stream.

Determine the percent increase per year from 1999 to 2004

Answers

Answer:

Hey bud, I saw this was your first question. You need to attach some files to your question in order for us to see it. You can do that by using the Paperclip shaped icon on the bottom when you are making a question.

Explanation:

homeostasis in a sentence

Answers

Yes, this is not a good answer to use

As you walk down the hall on the way to class, several students sneeze. You unknowingly inhale some of the droplets
that were expelled when they sneezed, allowing the flu virus to enter your body. Explain the nonspecific immune
defenses that the virus must bypass in order to infect a body cell. (5 points)

Answers

Answer:

The innate or nonspecific immune system includes two lines of defense in the human body. Non-specific means that it does not act on the specific pathogen. It works equally to keep all types of pathogens such as bacteria, viruses, parasites et cetera out of the body. The first line of defense includes physical barrier which prevents the entry of pathogens into the body. It includes skin, respiratory tract, gastrointestinal tract, cilia, nasopharynx, eyelashes, and body hairs. 

The second line of defense includes anti-inflammatory responses, fever, and nonspecific cellular responses such as phagocytes, macrophages, complement system et cetera. Thus, the virus has to pass physical, chemical, and nonspecific cellular responses of the body in order to infect the body. 

Explanation: I found this answer on a different site and it was right, no need to thanks me, no problem

The antiviral defense is composed of changes in cells that prevent viral replication and increase susceptibility to death by lymphocytes.

What innate defense mechanism against viruses?

Viral replication interferes with protein synthesis and cell function and leads to injury and death of the infected cell. The main mechanisms of innate immunity against viruses are inhibition of type I interferon infection and NK cell-mediated destruction of infected cells.

With this information, we can conclude that the antiviral defense is composed of alterations in the cells that prevent viral replication and increase the susceptibility to death by lymphocytes, thus eliminating the reservoirs of viral infection.

Learn more about  viral infection in brainly.com/question/3613320

What are the main morphological differences between monocots plant and dicots​

Answers

Answer:

MONOCOTS                                               DICOTS

Embryo with single cotyledon                 Embryo with two cotyledons

Pollen with single furrow or pore        Pollen with three furrows or pores

Flower parts in multiples of three         Flower parts in multiples of four or five

Major leaf veins parallel                          Major leaf veins reticulated

Stem vacular bundles scattered                  Stem vascular bundles in a ring

Roots are adventitious                             Roots develop from radicle

Secondary growth absent                            Secondary growth often present

Explanation:

Please refer to it because I am not sure but hope it helps you!

Tamika had added young koi fish to her waterfall pond and had them for over a year until they all suddenly started dying. She talked with a neighbor, who also had koi fish that died a few years ago at a relatively young age. Which of the following could be a possible reason for why the fish died?
a) Caring for the fish is difficult, and the fish need to be talked to in order to survive any length of time.
b) Pesticides from the farm up the road made their way into the pond and poisoned the fish.
c) The contents in the fish food could not be metabolized by the koi.
d) The neighborhood cat watched the fish swim in the pond.

Answers

Answer:

B. Pesticides from the farm up the road made their way into the pond and poisoned the fish.

Explanation:

Genes are composed of DNA and located on structures called

Answers

Answer:

DNA and histone proteins are packaged into structures called chromosomes

Inside the human body, heat is constantly
generated as a byproduct of chemical reactions.
Humans must be able to release heat to the
environment. This adaptation is necessary for
maintaining
A energy
B organization
C homeostasis
D locomotion

Answers

The Answer is

C Homeostasis

Answer:

C. Homeostasis

I need to 20 characters to submit so I'm typing randomly

a essay explaining why i choose a certain university​

Answers

Answer:

Because the facilities here for my subject are second to none” – this shows that your subject has been at the forefront of your mind when making a sensible choice of university, again demonstrating your level of commitment to it. You can mention specific facilities to show that you’ve read into it thoroughly.

“Because I liked the approach this university takes to my course” – even within the same subject, every university takes a slightly different approach to the way it’s taught and structured. The university question is another good opportunity to show that you’ve really thought about the course and gone to the effort of finding a university whose approach to the subject you agree with. You can even name specific modules that set this university’s course apart from the others offering the same subject.

Along similar lines, you could also mention the university’s great reputation for your subject, or the presence of certain lecturers you feel inspired by (though don’t let this last point dominate your answer; lecturers often move about or go on sabbatical, so even if there’s a particular academic you admire, they may not end up teaching you).

Explanation:

hope this helped :)

All of these substances are found in the cell membrane except


phospholipids

cholesterol

transport proteins

ribosomes

Answers

Answer:

ribosomes

Explanation:

2) Jumping Pool *
1 point
vou
Gravitational force.
Frictional force.
O Magnetic force.
O Elastic force.
O i don't know.

Answers

Answer:

what type of answer do you want

why mesophyll cell is considered as parenchyma cell​

Answers

Answer:

Mesophyll is not a tissue technically speaking. It's just a place, a specific area. Or you can even think of it as the set of all tissues in a given area.

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