Answer:I think it's A let me know if am wrong
Explanation:
Answer:
Five
Explanation:
There are five blood vessels that are attached to the heart.
Answer:
They deliver pollen from the stamens of plants to the ovaries of other plants.
Explanation:
Answer:
Cardiac output depends on the resistance mainly of the cardiac muscle walls.
Explanation:
The resistance of cardiac tissue also depends on its ability to distend in the sarcomero, that is, on the initial length of the contraction, the greater this, the greater the resistance, the greater the pumping efficiency, but the greater cardiac wear, this Situation occurs in people who are athletes or athletes since they have higher cardiac output but greater efficiency at the time of blood ejection, this is how they oxygenate the tissues better.
It is converted into chemical energy.
