Why must the corpus luteum continue to secrete progesterone and estrogen following implantation of the fertilized egg?
a. to maintain the uterine lining
b. to prevent female anti-bodies from destroying the fertilized egg
c. to facilitate the differentiation of the embryo into its specific gender
d. to help protect the embryo from viral or bacterial infection
Question 2
____ is the leading cause of first trimester maternal death.
a. Infection c. Mother-child autoimmune disorder
b. Ectopic pregnancy d. Seizure
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
The testes. In addition to producing sperm, the testes secrete the male sex hormones, primarily test
Progesterone Receptors
The oceans continue to absorb most of the excess energy trapped by greenhouse gases
Implantation
Cloning animals by nuclear implantation