Which of these functions could or could not be carried out by a red blood cell? Briefly justify your answer.
a. Protein synthesis
b. Cell division
c. Lipid synthesis
d. Active transport

(a)

Protein synthesis

(b)

Cell division

(c)

Lipid synthesis

(d)

Active transport

Distinguish between arteries and veins.

What might be the effect on a person whose diet has less iron content?

What is lymph? Write its function.

What are the heart sounds? When and how are these sounds produced?