Sam saw something terrifying. His muscles tensed, he began breathing more rapidly, and he began to sweat. Having taken introductory psychology, Sam knew that the division of his nervous system had been activated. 0 points sympathetic; limbic parasympathetic, autonomic somatic, peripheral central, sympathetic

sympathetic and autonomic

Explanation:

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

not sure if this what   you'r looking for would be percent composition