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Heart blood and lungs
How to use this book 8
7 other sections not shown
acid alveoli antibodies artery axons baby bile blood vessels bloodstream body's bone BRA1N brain called capillaries cartilage cavity chemicals chyme clot contains cranial nerves digestive duodenum endocrine glands enzymes esophagus facts female reproductive fertilized fibets filaments filtered fitst fluid follicle Gastric gastric pit grow hair haits heart hormones houts human body hypothalamus immune cells infection intestine joint kidneys layets litets liver lobe lungs lymph membrane mouth movement muscle fibers muscular N E R V O U nails nephron nervous system neurons nucleus nutrients organs outer ovaries ovum oxygen pancreas passes penis pints pituitary gland portal vein produce protects proteins receptots red blood cells REPRODUCT1ON reproductive system Saddle joint secrete Semidigested food Skeletal skin skull smell sperm spinal cord spongy stomach Structure surface taste buds teeth tiny tissue tube urine uterus vertebrae wall white blood cells womb lining Y S T E M