11 organ systems
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21 Terms
Q: What does the integumentary system include?
A: Skin, hair, nails, and glands.
Q: What does the integumentary system do?
A: Protects the body and can give clues about health, such as skin color and elasticity.
Q: What does the skeletal system do?
A: Supports and protects the body, helps movement, stores minerals, and makes blood cells.
Q: Which minerals does the skeletal system store?
A: Calcium and phosphorus.
Q: Where are blood cells made?
A: In bone marrow.
Q: What does the muscular system do?
A: Creates movement and produces heat.
Q: How does muscle help produce heat?
A: Shivering produces heat.
Q: What does the digestive system do?
A: Takes in food, breaks it down, absorbs nutrients, and removes waste.
Q: What does the respiratory system do?
A: Brings oxygen into the body and removes carbon dioxide.
Q: How can breathing affect blood chemistry?
A: Breathing changes the amount of CO₂ in the blood, which affects acid-base balance.
Q: What does the cardiovascular system include?
A: Heart, blood vessels, and blood.
Q: What does the cardiovascular system do?
A: Moves nutrients around the body and removes wastes.
Q: What does the lymphatic system do?
A: Returns extra fluid to the blood and helps filter harmful germs.
Q: How is the lymphatic system connected to immunity?
A: It helps the immune system fight pathogens.
Q: What does the nervous system do?
A: Sends fast electrical signals and controls body activities.
Q: Why is the nervous system called a master control system?
A: It quickly controls and communicates with many parts of the body.
Q: What does the endocrine system do?
A: Uses hormones carried in the blood to control body functions.
Q: How is endocrine control different from nervous control?
A: Endocrine control is slower but lasts longer.
Q: What does the urinary system do?
A: Helps control blood volume, ions, and pH by making urine.
Q: What does the reproductive system do?
A: Makes sex cells and allows reproduction.
Q: Is reproduction mainly needed for homeostasis?
A: No.