C) Lactic acid and energy
This is the reason we feel a burning sensation during strenuous exercise.
Answer:
The exchange of biological material between tissues and blood vessels.
Explanation:
Capillaries are extensions of blood vessels but are much thinner in diameter. They are mostly found in tissue that is highly metabolic like the kidneys and liver which require high perfusion and exchange rate of metabolic molecules between tissue and blood.
Answer:
capillaries help the blood containing the things a cell needs
Explanation:
The abiotic environment consists of non-living things. So, rocks, temperature and water are part of the abiotic environment.