Relier Pairs Organ systems of the human bodyVersion en ligne Organ systems of the human body par Xanat Vaitiare Ferreyro Davis 1 Protects the body from injury, dehydration, pathogens; regulate the temperature; excretes some wastes; detects external stimuli. 2 Supports and protects body parts, muscle attachment site, produces red blood cells, stores minerals. 3 It secretes hormones that control the activity of other organ systems. (Includes testicles). 4 Maintains the volume and composition of the blood; excretes excess fluids and wastes. 5 It eats food and water, breaks down food and absorbs necessary nutrients, then removes food residue. 6 Collects and returns tissue fluid to the blood, defends the body against infections and cancers. 7 Female: produces eggs, nourishes and protects developing offspring. Man: produces sperm and transfers them to the woman. 8 Detects external and internal stimuli; coordinates responses to stimuli; integrates the activities of the organ system. 9 Distributes materials and heat throughout the body, helps maintain pH. 10 It takes oxygen for aerobic respiration, expels the carbon dioxide released in this way. 11 It moves the body and its parts, maintains posture, produces heat to maintain body temperature.
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