Answer:
C. levels of specific hormones
Answer:
A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. So i think its True
They provide the immune system with "memory" against previously encountered pathogens.
T memory cells are necessary for protective immunity against invading pathogens
Answer: 40 mm Hg, 95 mm Hg, out of, down
Explanation:
In tissue cells the P(O2) is 40 mm Hg. The blood as it reaches the systemic capillaries around it has a P(O2) of 95 mm Hg. Hence, oxygen diffuses into the cells from the systemic capillaries down the partial pressure gradient. The carbon dioxide diffuses in the same direction at the same time.
Hence, the blanks will be filled with 40 mm Hg, 95 mm Hg, out of, down.
