Question

There is two pictures

Urinary bladder Ductus Senninal gland Pubc boe gnd gland Urethra Uretra Tests Pens Glans penis Sagital secion Annerior view Nerve Bood vessels Vas Epididymal det Connective Tesis Figure 39.1. Anatomy of the male reproductive system

Answer 1

Ans 2a) Cancer treatment through chemotherapy and radiation impacts the fertility in men. This is done as it disrupts the production of hormones impact the testicles as it will not be able to produce healthy sperm and also impacts the whole process of ejaculation of sperm. Chemotherapy generally kills the cell that has the tendency to divide quickly and hence it kills the sperm cells due to its ability to divide quickly. It might lead to damage of all the spermatogonial stem cells which are damaged before even producing the matured sperm cells.

Ans 2b) Lance Armstrong has excessive cancer treatment and despite that he was able to have children. He was about to have the children through in vitro fertilization during which he used the kept in the sperm bank before he went for chemotherapy. IVF is a process where mature eggs collected from ovaries are fertilized by sperm in lab and placed in the womb.