Answer:
found lining many areas that contact the external environment
plays a role in protection
Explanation:
Explanation: Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another. Epithelial layers are avascular, but innervated. Epithelial cells have two surfaces that differ in both structure and function.
Answer:
cytoplasm
Explanation:
I rlly hope this helps. its what I remember but goodluck
It is intended to increase immunity against that antigen back to protective levels, after memory against that antigen has declined through time.
The cramps occur when muscle cells respire anaerobically. The partial breakdown of glucose produces lactic acid. The accumulation of lactic acid causes muscle cramps.
Answer:
blue striped silver salmon.
Explanation: