Ovulation occurs at the end of which of the three phases of the uterine cycle?

Why do the testes lie outside the body?

Match the occlusion of the fetal vascular shunts with their definition.

The _______________________delivers nutrient and oxygen-rich blood to the embryo.

Implantation is completed by about the 12th day after ovulation, where the blastocyst has buried itself in the endometrium of the

The ______urethra courses through the penis and opens to the outside external urethral orifice.

Which gland is a single gland about the size and shape of a chestnut and encircles part of the urethra just inferior to the bladder?

This  midventral erectile tissue body that surrounds the urethra as it passes through the penis is the

In the luteal phase of the ovarian cycle if pregnancy occurs the corpus luteum

Use the food chain below to match the organisms with their place in the food chain. Food Chain.jpg