Answer:
There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response. Cytotoxic T cells (Tc cells) have a co-receptor called CD8 on their cell surface. CD8 partners with the T cell receptor and with MHC class I molecules, acting as a sort of bridge.
Explanation:
B. Long term alcohol use.
HOWEVER, there are other causes of cirrhosis besides alcohol, including forms of hepatitis virus and some gallbladder disease
Answer:
alveoli
Explanation:
because carbon dioxide moves from the blood in the capillaries to the air in the alveoli
??? uhh i think the answer is 200?
