Answer:
Peristalsis
Explanation:
This motion is to facilitate the movement of food to the mouth to the stomach and helps food travel from the small intestine to the rectum
an egg cell has a haploid nucleus so it has half the number of dna because it fuses with a sperm cell to have the full amount of dna.
an egg cell has 23 chromosomes and a sperm cell has 23 chromosomes.
they both have half the amount of dna to form a zygote
The body dysmorphic disorder is sometimes known as disabling obsessive compulsive disorder and usually unrecognize in the clinical practice. It consist of the distressing preoccupation with a slight defect in appearance mainly focusing in a body area like skin picking as well as camouflaging and excessive grooming.
B is the answer because they have similar body structures.
