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Functions of major organs and organ systems in the human body.
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1. What is the circulatory system's main transport organ?
The heart
heart
2. Where does gas exchange occur in the lungs?
The alveoli
alveoli
3. What protein in red blood cells carries oxygen?
Hemoglobin
haemoglobin
4. What is the main function of the small intestine?
Digest food and absorb most nutrients
5. What is a major function of the large intestine?
Absorb water and compact feces
6. What do the kidneys remove from blood?
Wastes and excess water
7. What is the basic functional unit of the kidney?
The nephron
nephron
8. Which organ produces insulin?
The pancreas
pancreas
9. What does insulin generally do to blood glucose?
Lowers it by promoting glucose uptake and storage
10. What is the central nervous system made of?
The brain and spinal cord
11. What connects muscle to bone?
A tendon
tendon
12. What connects bone to bone?
A ligament
ligament
13. What is the largest organ of the human body?
The skin
skin
14. Which immune cells produce antibodies?
Plasma cells derived from B cells
plasma cells
15. What is homeostasis?
Maintenance of relatively stable internal conditions