25.4 Essay Questions 1) Describe the structures involved in the descent of the testes. 2) Describe the mechanisms of propulsion by which sperm are transported from the seminiferous tubules to...

25.4 Essay Questions

1) Describe the structures involved in the descent of the testes.

2) Describe the mechanisms of propulsion by which sperm are transported from the seminiferous tubules to the epididymis and, during ejaculation, from the epididymis out of the body.

3) Identify the space into which an oocyte is ovulated, and describe the structures and mechanisms involved in transporting it to the uterus.

4) Menstruation occurs as a result of the absence (or low level) of a particular hormone. Identify (a) this hormone, (b) the specific arteries of the uterine lining that collapse/fracture, and (c) the specific layer of the uterus that is shed.

5) Describe the structures involved in the transfer of nutrients and wastes between the fetal and maternal bloodstreams.