________ and _________ stimulate the build-up of the endometrium to receive an early embryo.

The _________ is responsible for forming the digestive tract and urinary tract.

Compared to plasma, glomerular filtrate should have _________.

Na + is always reabsorbed in the ___________ but is only reabsorbed in the ___________ under hormonal influence.

Once a sperm enters a secondary oocyte, __________.

The nephrons that play an important role in maintaining water content of the blood are called ___________ nephrons.

The _________ becomes part of the umbilical cord, produces formed elements of blood, and brings umbilical blood vessels to the placenta.

The life stageat which the reproductive organs become capable __________.

____________ stimulates the maturation of the mammary glands so that they can produce milk.

Which of the following types of cancers are typically found in lower stages?