Answer: no ss.. or question
Explanation:
CONTRACTILE RINGS are a contractile ring of actin micro filaments that eventually results in the division of the cytoplasm.
The contractile ring are usually formed during the early anaphase phase of the cell division cycle. During the cellular cleavage, the contractile rings tighten around the cytoplasm of the cell until it is pinched into two daughter cells.

your answer is given below..
The environment is rich in infectious agents that transmit disease through pathogens.
Answer:
No.
Explanation:
Cardiac is a type of involuntary muscles.
Muscles like skeletal muscle, are voluntary. Examples are: Iliac, gluteus, abductor.
I had trouble with this one, I was on a quiz I had.
Norman Borlaug developed a drought and disease resistant dwarf wheat which helped the people of Mexico and India during food shortages.