Answer: a tiny muscle connected to each hair follicle and the skin. When it contracts it causes the hair to stand erect, and a "goosebump" forms on the skin.
Answer:
i m not sure but the answer may be dry /skeletol
Habitats outside the preserve area become damaged by overdevelopment.
Among the non-mammalian vertebrates, the cloaca is an anatomical structure that function as a shared pathway for the digestive, excretory, and reproductive systems. Cloaca in vertebrates, common chamber and outlet into which the intestinal, urinary, and genital tracts open. It is present in amphibians, reptiles, birds, elasmobranch fishes, and monotremes. Cloaca is not present in placental mammals or in most bony fish.
B. the nervous system connects bones