Answer:
The main function of the organs of the alimentary canal is to nourish the body. This tube begins at the mouth and terminates at the anus. Between those two points, the canal is modified as the pharynx, esophagus, stomach, and small and large intestines to fit the functional needs of the body.
No strand b is shown here. The sequence of bases on DNA can be in any order, and bases can include any from adenine, guanine, cytosine and thymine. The bases on DNA strand b will be complementary to those present on strand a.
Answer:
D
Explanation:
it doesn't absorb vitamin D
The integumentary system excretes wastes and regulates body temperature. The skin is the body's initial defense against bacteria, viruses and other microbes