Which body region are part of the cephalic region?

The cephalic region (head) or cranial region (skull) is at the top of the body and visible from the front and rear. The cervical region (neck) starts below the head, ends at the thorax, and is visible from the front and rear from below the head to the shoulders.

b. the carbon cycle ensures living things have a source of hydrogen

straight or amphibians are homeothermic to thermal