Answer:
The septum
Explanation:
The septum is a thick wall of muscle that divides the heart. It separates the left and right sides of the heart.
An organism has 28 pairs of chromosomes in its diploid somatic cells. How many chromosomes are in its gametes?
diploid = 2n, haploid = n
2n = 28 pairs = 28×2 = 56, n = 28
gametes are haploid = n = 28 total chromosomes