Health, 06.10.2019 22:40, sleepyflower10

Why does the heart automatically adjust the flow of blood to match activity levels?
a.
extreme activity damages blood cells and the body needs replacements.
b.
the heart requires more oxygen when exercising.
c.
it builds up a higher level of oxygen in the blood.
d.
organs and muscles require more blood under stress.

Answers: 1

Show answers

Other questions on the subject: Health

Health, 21.06.2019 20:00, mm016281

Some friends want to a teen who is dealing with distress. what should they do to provide support? tell the teen to ignore the stress. offer the teen a new perspective. reinforce all the teen’s ideas. laugh off the teen’s problems.

Answers: 1

continue

Health, 22.06.2019 18:20, twistedhyperboles

What do you need to verify in a patient's profile? a. name, address, medication b. name, phone number, address, medication, dose, frequency, manufacturer c. name, medication, dose, strength, frequency d. name, history of illness, medication, dose, strength, frequency

Answers: 2

continue

Health, 22.06.2019 19:00, josh200508

Sweat glands that cause orders during puberty are present in the body from the time of brith

Answers: 2

continue

Health, 23.06.2019 03:00, widnickab

Last 5 benefits of physical activity and identify each benefit as either a physical mental and emotional or social benefit

Answers: 1

continue

Do you know the correct answer?

Why does the heart automatically adjust the flow of blood to match activity levels?
a.
...