Digestion and Reproduction
The human body is an amazing example of architecture, engineering, manufacturing, and power production, all combined into one living unit. Packed with fascinating text, detailed sidebars, and health-watch tips, this series focuses on the body's various organs and systems and how they all function together. In each volume young readers will learn about and develop a better appreciation for the unique creation that is the human body.
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abdomen acid Adrenaline baby bile birth bladder blood flow blood vessels bloodstream body organ body's bones brain called calorie carbohydrates cause chewed food chyme contains cups dentin develop digested food digestive system digestive tract drains urine drink Eating too fast egg cell embryo energy enzymes esophagus fallopian tube fats and oils female reproductive organs fetus fetus's fiber fluid FOCUS fresh fruits gallbladder gastric germs glomerulus grows growth HEALTH WATCH helps inch inside INSTANT FACT insulin internal organs iodine kidney large intestine layer liquid waste liver lymph male mash meal menstrual cycle minerals months mother mouth navel nephrons nerve nutrients ovaries pancreas peristalsis placenta pregnancy problems produces proteins puberty push food release renal reproductive system saliva seminiferous tubule skin small intestine sperm cells sphincter Straplike strong substances swallow teeth thyroid gland thyroxine tiny tissues tongue tonsils tooth trachea tubule umbilical urethra urine uterus vitamins weeks after fertilization