Which part of the digestive system physically digests food?
1 point
A. Mouth
B. Esophagus
C. Stomach
D. Small intestine
2. What happens to the food during mechanical digestion? Food is
1 point
A. Broken down into smaller pieces
B. Mixed with saliva and swallowed
C. Is taken inside the body
D. Is taken outside the body.
3. What is the important function of the small intestine?
1 point
A. digestion and absorption of nutrients
B. mechanical digestion of foods
C. temporary storage of food
D. formation of solid waste
4. What is the role of the large intestine in the digestion process?
1 point
A. It secretes bile
B. It is where solid waste is formed in the form of feces
C. It secretes enzymes that digests protein
D. It is where final digestion of foods takes place.
5. What is the correct order in the digestion process?
1 point
A. Chewing, Swallowing, Churning, Absorbing
B. Swallowing, Chewing, Absorbing, Churning
C. Absorbing, Churning, Swallowing, Chewing
D. Churning, Chewing, Absorbing, Swallowing
6. What is the major organ of the urinary system that filters the blood ?
1 point
A. Kidney
B. Ureter
C. Urethra
D. Urinary bladder
7. Which is NOT an organ of excretion?
1 point
A. Lungs
B. Skin
C. Kidney
D. Small intestine
8. By what process does the body eliminate waste products from the body?
1 point
A. Digestion
B. Circulation
C. Excretion
D. Respiration
9. Which is NOt filtered from the blood by the kidney?
1 point
A. excess salts
B. excess fats
C. excess sugars
D. Carbon dioxide
10. What will happen if the kidneys stop working? The body _____.
1 point
A. sweats a lot
B. will be dehydrated
C. becomes healthy and strong
D. accumulates poisonous substances from the blood.
11. Why is nervous system important? It _____.
1 point
A. removes wastes from the body
B. absorbs nutrients needed by the body
C. protects our body from harmful external elements.
D. controls the other body systemsso that they work properly.
12. Why do you suddenly move your hand away even before realizing that you touched a hot object?
1 point
A. The blood moves faster because of the heat.
B. The message travels fast because of the heat
C. The muscles contract before the message reaches the brain
D. Messages to and from the brain travel fast through the nerves
13. the brainstem is responsible for ____.
1 point
A. breathing
B. ability to learn
C. maintaining balance
D. movement of the skeletal muscles
14. A scientist studying the brain is studying part of the _______.
1 point
A. Central Nervous system
B. Somatic Nervous system
C. Autonomic Nervous system
D. Peripheral nervous system
15. Which of the following activities are processed by the cerebrum?
1 point
A. memory and decision making
B. movement and body's balance
C. breathing and digestion
D. emotions and motions