I'm not sure what you mean by "compartments", but the cardiovascular system consists of the heart, blood vessels, and approximately 5 liters of blood.
Answer:
four codon in mRNA sequence code for serine aminoacid.
Explanation:
UCA
UCG
UCC
UCU
these four codons code for aminoacid serine.
It is A, the cell is divided into a parent cell and daughter cell (mitosis)
I am pretty sure that the answer is B.