Integumentary System Review for
Biology Exam Questions and Answers
Graded A+
Skeletal System - Correct answer-to protect and support the body. Allows for
movement
Is the skeletal system alive? Are bones alive? - Correct answer-yes, yes the bones
are made with cells which are alive
What three things make up the skeletal system? - Correct answer-Bones - Cartilage
- Connective Tissue
ABOUT how many bones does a child have? And adults? - Correct answer-
children have about 300, adults have 206
How do bones help with homeostasis? - Correct answer-By storing nutrients and
making blood cells
, What is the first main function of the skeletal system. EXPLAIN - Correct answer-
Protection - Bones cover and protect major organs such as the heart, brain, lungs,
etc...
What is the second main function of the skeletal system? - Correct answer-Storage
- Help muscles and nerves to function properly by storing nutrients. Nutrients are
calcium, phosphorus, magnesium, and fluoride. Long bones store fat for the body
to use
What is the third main function of the skeletal system? - Correct answer-Blood
Cell Formation - blood cells are made in the marrow of bones. Most bones have
marrow. Marrow- the soft, spongy stuff inside your bones that acts like a blood cell
factory, making red cells to carry oxygen.
Red blood cells - Correct answer-carry oxygen around the body
White blood cells - Correct answer-fight infection
Platelets - Correct answer-clot blood (stop cuts from bleeding)
What is the fourth main function of the skeletal system? - Correct answer-
Movement -bones move when MUSCLES move them!
What is a joint? - Correct answer-a joint is where two bones meet.(allows bones to
move). EX: hip joint, elbow joint, etc.