The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cell.
Answer:
its new to our body. Saying that, it dosen't know how to fight this off, but once you get the coronavirus, you are ammune to that type because then your body knows how to fight it off. :)
Answer:
DBCA
Explanation:
Here is the normal order of events:
Order 1.
d. Activation of adenylyl cyclase
Order 2
b. Binding of cAMP to PKA
Order 3
c. Dissociation of PKA into catalytic and regulatory subunits
Order 4
a. binding of CREB to PKA ... 4
