What are the roles of mucus? check all that apply. a)to trap pathogens b)to start fevers c)to prevent pathogens from moving into deep tissues d)to stimulate b-cells to make antibodies e)to identify antigens

A, C

Explanation:

mucus acts as a barrier! all of the other things mentioned (D and E) are caused by white blood cells.

a and c

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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.

the correct answer in apex is tissue development, i know because i just had this question