Answer:
Explanation:
A really good example of a homeostatic mechanism is maintaining proper body heat. When the body is too cold, the extremities will have vasoconstriction and shivering. When the body is too hot, there is vasodialation in the extremities and sweating. Between all of these mechanisms, the body can stay at the ideal temperature.
Answer:
Cardiovascular fitness increases which of the following?
good cholesterol levels
Explanation:
Cardiovascular fitness increases good cholesterol levels, this occur when the heart is able to give blood that is highly rich in oxygen
It’s the second one I believe.
Answer:
The amount of blood pumped in one beat
Explanation:
'The definition of stroke volume is the volume of blood pumped out of the left ventricle of the heart during each systolic cardiac contraction.'
