The gap junction includes "micro tunnels" that are formed between two This junction it is an<span> intercellular connection that allows communication between cells and </span><span>exchange of ions, second messengers, and small metabolites between adjacent cells</span>
The micro tunnels are regulated gates through which this molecules pass.
Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does not necessarily
1. B
2. B
3. C
4. C
5. D
6. C
7. C
8. D
9. C
Answer:
Some arid climates have very very little rainfall but not none.
Explanation:
