The factors that most directly affect blood flow are blood pressure, blood volume, resistance and activity level.
true
The right answer is vitamin C—citric acid.
Vitamin C or ascorbic acid protects against cellular aging, is essential for the immune defenses and increases the assimilation of iron of plant origin.
Citrate is a biological molecule found in all living organisms because it is involved in the Krebs cycle (or citrate cycle) to produce energy.
Answer:
composed of a glycerol molecule binded to fatty acid molecules
Explanation:
I think the answer is water
