EESA10H3 Lecture 4: Video on the Disappearing Male (Lecture 4)
Document Summary
3 ways to determine healthy sperm volume (quantity), speed/mobility and morphology: in video the mccaley couple went to many fertility treatments and it took 2 yrs to conceive. testosterone plays large role in male sexual development: small penis (illustrates abnormality in low testosterone levels, *** signals some danger for human males**, glands produce hormones. Hormones are the body"s messengers: majority of chemical compounds was derived by petroleum. In aamjiwnaang, a daycare place in sarnia, on there was very few boys that were there. The daycare centre had more and more girls as the years went on. Sarnia, on is known for its large number of factories (40% of canada"s chemical industry is here); the factories release lots of chemicals out into the air. I t is no longer just smoke coming out of a smoke stack. : phthalates which are used in everything such as cosmetics have caused a decrease in males.