1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vovangra [49]
4 years ago
9

Why does the human heart rate increase when exercising? science

Biology
1 answer:
Ymorist [56]4 years ago
8 0
Excercise increases the rate at which energy is needed from food. This increases the need for oxygen and food in the body. This is why your pulse rate and breathing rate increase with exercise.
You might be interested in
The __________________ pulp of the spleen contains lymphocytes and serves to fight pathogens, whereas the __________________ pul
STatiana [176]

Answer:

The given blanks can be filled with white pulp and red pulp.

Explanation:

In the lymphatic system, the spleen is considered as the largest organ. It is situated in the upper left part of the abdominal cavity, the main function of the spleen is to filter blood containing the destructed cells, pathogens like viruses and bacteria, and cellular debris.  

The spleen generates and develops the mature immune cells, which possess the tendency of finding and eliminating the pathogens. The white pulp of the spleen comprises the immune cells, that is, the B and T lymphocytes, which help in fighting against the pathogens.  

On the other hand, the red pulp of the spleen comprises connective tissue called the cords of Billroth, and various splenic sinusoids, which are filled with blood, providing it a red appearance. Its main function is to filter the blood containing microbes, pathogens, and worn-out or the defective RBCs.  

6 0
3 years ago
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!
Flura [38]

Answer:

Lister's work led to a reduction in post-operative infections and made surgery safer for patients, distinguishing him as the "father of modern surgery"

Explanation:

8 0
3 years ago
Read 2 more answers
Photosynthesis occurs in plants in specialized organelles called ____. *
fgiga [73]

Answer:B chloroplast

Explanation:

7 0
3 years ago
Read 2 more answers
What would happen to a cell if cellular respiration suddenly ceased?
anyanavicka [17]

Answer:

I think that glucose breakdown would stop, since oxygen is needed

Explanation:

3 0
4 years ago
Read 2 more answers
20 POINTS Acid rain is an example of
Oksanka [162]
Acid rain is an example of chemical weathering
7 0
4 years ago
Read 2 more answers
Other questions:
  • 5 Why is it important for a research company to evaluate its long-range plans concerning resource use and waste disposal?
    10·1 answer
  • Fact about theory and belief
    5·1 answer
  • Which is least likely a description of the central nervous system (CNS)?
    6·1 answer
  • Cystic fibrosis is caused by
    9·2 answers
  • What is the result of dissociation of water? a) Formation of O-2 ions b) Formation of H+ and OH- ions c) Formation of H- and OH+
    8·1 answer
  • What is the difference between Recessive and Dominant traits?
    12·1 answer
  • How to determine the phenotype for each genotype?
    15·1 answer
  • Determine whether each of the following molecules are activators or inhibitors of gluconeogenesis. Drag the appropriate compound
    12·1 answer
  • How much force is needed to make a 12 kg object accelerate at 3 m/s
    14·1 answer
  • What would happen if the moon took twice as long to rotate around the earth?​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!