Question

1. humans have a(n) __________ skeleton. a endo b meso c exo d proto

Explanation:

Humans have an internal skeleton known as an endoskeleton. Endo - means inside, and the human skeletal system is located within the body. Meso - is not related to the type of human skeleton. Exo - means outside and exoskeletons are found in insects and some other invertebrates. Proto - is not a term used for human skeletal types.

Answer:

A. endo