Answer:
Endothelium is present in all blood vessels. As one progresses through circulatory system, the walls of arteries become smaller. As vessels become smaller in diameter, size of connective tissue layer and smooth muscle decrease.
Explanation:
I majored in Health
Answer: walking in the woods
Explanation: it can help them gather their thoughts together by being in a peaceful state.
Answer:
it's B cells
b cells changes to plasma cells then the plasma cells produce antibodies
Explanation:
on the website bio. Libretexts. Org they say the human appendicular skeleton is composed of the bones of the upper limbs the lower limbs the pectoral girdle in the pelvic girdle.