1. The two major organs that remove chemical waste are the skin and the
a. anus
c. kidneys d. nose
-2. What layer of the skin prevents evaporation of body fluids?
a. dermis
b. epidermis
C. sebaceous
d. subcutaneous
3. We use our mouth when we eat our food. Where do you think digestion begins?
a. stomach
b. mouth
C. anus
d. small intestine
4. What are the pathways through which blood travels?
A. heart B. lungs
C. spinal cord
D. blood vessels
5.4. Why is the brain enclosed in the skull?
A. for design
B. for protection C. for a better look D. for sound proofing
6.The digestive system processes food into usable and unusable materials. The usable materials are sent to
the body's cells as food. What happens to unusable materials? It goes to the
A. pancreas to await disposal.
C. Large intestine to await disposal
B. right ventricle to await disposal
D. Small intestine to await disposal
_7. What will happen if a person injures part of his brain? The person
A. will die
C. actions will continue to be coordinated
B. brain decays
D. cannot integrate and coordinate his movements
_8. The process of breaking up and dissolving food so that it can be used by the body?
a. digestion b. respiration c. circulation d. ossification
9. Why is it important to promote healthful habit for our organs? To _
A. have a happy personality
C. avoid death
B. make our organs function properly D. keep our body away from diseases
9. Which is the largest part of the brain and it controls mental processes such as thinking, memorizing, and
decision-making?
A. pons B. Cerebellum C. cerebrum
D. spinal cord
10. How does the body use the energy released in its cells?
A. To rest the body
C. For making oxygen
B. To lower body temperature
D. For muscles to move​