ECON 1B03 Lecture Notes - Pineal Gland, Thyroid, Testicular Cancer
1 Apr 2013
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ECON 1B03 Full Course Notes
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In the last 50 years, sperm counts worldwide have been cut in half testicular cancer rates have doubled system not been tested on humans. Rates of male infertility and sperm abnormalities have increased while. Belief for this cause is manmade chemicals that interfere with male hormonal. 90000 manmade compounds developed in last 60 years which of many have. Bisphenol a makes plastic hard while phthalates make plastics soft. A typical young man produces half the sperm his father did while 85% of it is. Who standard for classifying men for being infertile have dropped (now at 20. Male alligators in the lakes of florida, have sexual organs that are of their. Abnormality of the testes related to low testosterone levels similar to females. Endocrine system: testes, pancreas, adrenal glands, thymus, thyroid gland, Stimulate growth, regulate metabolism and control reproduction abnormal million per millilitre)
