Skeletal muscles mechanically move the body. Messages from the nervous system cause these muscle contractions.
The fact that the two strands of DNA are complementary <span />
Pinworms belong to the group of worms called the Nematodes which is the answer. Pinworms are intestinal roundworms living in the intestinal tract of animals and human. There are 4 types of pinworms and one of it is Enterobius vermicularis which then infects the humans.
Question for number 4 is C
