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
ludmilkaskok [199]
3 years ago
7

Why does our heart beat faster when we exercise?

Biology
1 answer:
jasenka [17]3 years ago
5 0

Answer: During exercise, your body may need three or four times your normal cardiac output, because your muscles need more oxygen when you exert yourself. During exercise, your heart typically beats faster so that more blood gets out to your body.

Explanation:

You might be interested in
Help me out please , I’m not sure what to do
Pachacha [2.7K]

Answer:

Interesting assignment. I really hope this helps! -

Explanation:

You are going to use the chart where he graphed the data on his hamster's diet to dissect and identify, the parts of this scientific method.

TIP - try to think of this in a first-person perspective meaning try to think of this as you doing the experiment.

Hope this helped understand this assignment. :)

6 0
3 years ago
What is the role of chlorophyll in photosynthesis?
swat32

Answer:

Chlorophyll is a green pigment which is present inside the chloroplast. Chlorophyll is responsible for the conversion of sun energy into chemical energy in the process of photosynthesis. Photosynthesis is a process in which energy is produced by the combination of carbondioxide and water in the presence of sunlight produces glucose and oxygen. This sunlight is absorbed by chlorophyll which is present in the leaves.

3 0
4 years ago
QUESTION 1:
Vikentia [17]
I think it’s true i think and D
3 0
2 years ago
The knowledge obtained when scientists answer one question often generates other what?
8090 [49]

Answer:

Observing & Hypothesizing

Explanation:

The knowledge obtained when scientists answer one question often generates other questions or proves useful in solving other questions. Scientists gather information and answer questions collectively known as the scientific method.

6 0
3 years ago
The invention of the microscope in the 1600's was one of the most important inventions in the history of science. The microscope
almond37 [142]

Answer:

The cell theory developed most quickly due to the invention of the microscope. Robert Hooke was the first scientist who saw cells in cork. After this discovery, a wide numbered of researches were made and cell theory was developed. The basic cell theory explained that how every living thing was made up of cells. After this, a lot of additions have been made in the cell theory and today the cell theory is known to have five basic postulates.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Some students are performing a hydrobiology project on a creek. They obtained the GPP value as 7 mg/l and the R value as 3 mg/l.
    9·2 answers
  • To all Science Experts!!!!!!!!!!!!!! Will mark Brainliest!!!!!!!!!!!! I need URGENT HELP!!!!!!!!!
    9·1 answer
  • Which of the following is true regarding the structure of enzymes?
    5·1 answer
  • Another name for producers
    9·1 answer
  • Which kingdom(s) include both unicellular and multicellular organisms?
    12·1 answer
  • What is the organism that lives inside or on the outside of another organism that it feeds off called?
    13·2 answers
  • I have a question ?​
    12·2 answers
  • A population of animals has a long gestational period, and individuals live mostly alone. How will this affect the population si
    5·1 answer
  • Which of the following are fossil fuels? (choose all that apply.)
    7·2 answers
  • :( Will choose brainliest!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!