Body Systems

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Across
  1. 2. helps eliminate a waste product called urea from the body
  2. 5. consists of 650 muscles that aid in movement, blood flow, and other bodily functions
  3. 7. consists of 8 major glands that secrete hormones into the blood
  4. 10. the body's defense against bacteria, viruses, and other pathogens that may be harmful
  5. 11. bodies largest organ, the skin, the first line of defense
  6. 12. move blood, nutrient, oxygen, carbon dioxide, and hormones around the body
Down
  1. 1. includes lymph nodes, lymph ducts, and lymph vessels, and also plays a role in the bodies defense
  2. 3. consists of 206 bones that are connected by tendons, ligaments, and cartilage
  3. 4. allows humans to reproduce
  4. 6. controls both voluntary and involuntary actions and sends signals to different parts of the body
  5. 8. allows us to take in vital oxygen and expel carbon dioxide in a process we call breathing
  6. 9. allows the body to break down and absorb food, and remove waste