Which of the following is NOT a function of the digestive system?
A. Ingestion.
B. Digestion.
C. Absorption.
D. Protection.
查看答案
What is the main function of the digestive system?
A. Hold and receive food.
B. Control the chemical activities of the body.
C. Break the food down to be used for energy.
D. Remove excess water from the body.
The Appendicular skeleton is comprised of ( ) bones.
A. 126
B. 100
C. 80
D. 110
The human vertebrae are classified as which type of bone?()
A. Long
B. Irregular
C. Flat
D. Short
Which bone is the longest and strongest bone in the human body?()
A. Cranium
B. Femur
C. Tibia
D. Radius
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