The__________is a sac within the uterus that contains the embryo or fetus.
A) amniotic sac
B) thecal sac
C) bursa sac
D) yolk sac
E) Select
Question 2
The brain and the spinal cord make up the _____, which controls and commands bodily functions.
A) peripheral nervous system
B) somatic nervous system
C) central nervous system
D) autonomic nervous system