The sympathetic and parasympathetic nervous systems are subdivisions of the:
a) central nervous system
b) voluntary nervous system
c) autonomic nervous system
d) somatic nervous system
e) peripheral nervous system

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

How many bones are there in the human body?