Answer:
a.
Explanation:
It decreases from the aorta to the vena cava.
First
The kidneys will increase the deposition of calcium in the bone as a result of the release of calcitonin by the para follicular cells in the thyroid gland.
Answer: A vaccine works by flowing in your blood and getting rid of the toxic or bad germs in your body.
It is the same age as it was when it was swallowed.