PHYS202

This document explains how the eye works, including its anatomy, how rods and cones detect light, how images are focused on the retina, and how vision adapts to dark and light. It also covers refraction, accommodation, and common vision problems like myopia, hyperopia, and presbyopia.

This document explains the male reproductive system, including the testes, sperm production, hormones, accessory glands, and how sperm mature, travel, and function in reproduction. It also covers semen composition, penis structure, and fertility processes.

This document explains the adrenal glands, how they make hormones like cortisol, aldosterone, and androgens, how these hormones work in the body, and what happens when too much or too little is produced. It covers anatomy, physiology, metabolism, stress response, and diseases like Cushing’s syndrome.

This document is a concise study guide on hypothalamic hormones and their role in the hypothalamic–pituitary axis.