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Module H
Body Systems
Question | Answer |
---|---|
What is a tumor? | a group of abnormally-growing cells benign or malignant |
What are some changes due to aging? | skin is thinner, drier, and more fragile |
What is the largest organ and system of the body? | skin |
What has 206 bones? | the skeleton |
How many chambers does the heart consist of? | four |