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Human Biology Science and Society
and a process
Distinguish anecdotes from scientific evidence
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action potential activity allele amino acids antibodies antigen arteries atoms axon bacteria blood pressure blood vessels body bonds bone brain calcium called cancer capillaries carbon cardiac cartilage cause cavity cell membrane Chapter chemical chromosomes citric acid cycle concentration connective tissue contains contraction cycle cytoplasm damage diffusion digestive disease drugs electrons energy enzymes epithelial fertilization fetus fibers Figure fluid function genes genetic glands glucose growth heart homeostasis hormone Human Biology hydrogen hypothalamus immune system increase infection intestine ions kidneys layer lipids living lungs meiosis metabolism molecules muscle cells nerve nervous system neurons normal nucleus nutrients organ systems oxygen plasma membrane produce proteins receptors red blood cells release risk sarcomere secrete sensory skeletal muscle skin smooth muscle sodium specific sperm spinal cord stem cells steroid stimulates structure substances surface tion transport tubule types urine