Digestive and Respiratory - The pharynx is the passageway for both food and air., Endocrine and Immune - An imbalance in hormone levels can weaken your ability to fight off disease., Skeletal and Reproductive - The pelvis (hip bone) protects a developing fetus (unborn baby) from injury., Integumentary and Immune - Langerhans cells in skin help detect microbes and prevent infections., Skeletal and Immune - White blood cells are produced in the bone marrow., Endocrine and Reproductive - In females, hormones regulate the menstrual cycle., Excretory and Circulatory - The kidneys remove wastes form the blood and send it back to the rest of the body., Digestive and Muscular - Food is moved along the small intestines primarily by contractions of the smooth muscle., Nervous and Muscular - A person moves her hand quickly after accidently touching a hot surface.,

Body Systems Interactions

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