BIOL 243 Chapter Notes - Chapter 1: Sex Steroid, Muscular System, Hip Bone
30 Aug 2016
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Forms external body covering; protects deeper tissues from injury; synthesizes vitamin d; houses cutaneous receptors, sweat glands, and oil glands. Production of offspring; mammary glands produce breast milk; male ducts and glands make sperm; ovaries produce eggs and female sex hormone. Eliminates nitrogenous wastes from body; regulates water, electrolyte and acid-base balance. Fast-acting control system; responds to internal and external changes and responds to them by activating muscles and glands. Enables locomotion, manipulation of enviro, and facial expression; maintains posture and produces heat. Lymph framework for muscles to use for movement; blood cells formed in bones. Co2; gaseous exchange occurs in air sacs in lungs. Transports blood, which contains o2, co2, nutrients, wastes, etc. Glands secrete hormones that regulate processes like growth, reproduction, and metabolism. Attacks foreign substances in body; houses nodes, spleen. Wbc"s; picks up fluid leaked from blood vessels and returns to blood; disposes of debris in lymphatic system.
