Other systems interact with the digestive system to maintain homeostasis. one system moves food through the digestive system so that it can be broken down into nutrients through mechanical digestion. another system then delivers those nutrients from the digestive system to the rest of the body. select the two systems which are responsible for these interactions.
a
nervous

b
immune

c
muscular

d
excretory

e
respiratory

f
cardiovascular

D. Excretory and F. Cardiovascular

Explanation:

The two main systems that interacts with digestive system are excretory and cardiovascular system. The cardiovascular system which pumps blood to all parts of our body carries the nutrients absorbed from the digested food particles. They also control the speed of digestion using endocrine glands.

Excretory system checks the blood stream by filtering substances and eliminates unwanted compounds as urine. Water content of our body is maintained by kidneys.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.