1. Largest organ in a human's body *
1 point
A. skin
B. heart
C. lungs
D. brain
2. Epidermis is the outer layer of the skin. How does the skin help our body? *
1 point
A. it produces perspiration/sweat.
B. It protects our body from water loss and acts as a barrier against light and heat energy.
C. It helps us move.
D. It is the thickest layer of the skin.
3. What do you call the thickened and hardened epidermis at the tips of the fingers and toes? *
1 point
A. hair
B. fingertips
C. nails
D. toenails
4. What do you call a slender, flexible structure found on the surface of the skin? *
1 point
A. scars
B. cut
C. tattoo
D. hair

This is a required question
5. What do you call the thickest layer of the skin that nourishes the epidermis? *
1 point
A. epidermis
B. dermis
C. hypodermis
D. allergies

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6. What body system retains body fluid and regulates body temperature? *
1 point
A. Respiratory System
B. Circulatory System
C. Digestive System
D. Integumentary System

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7. Which body organ does NOT belong to the digestive system? *
1 point
A. skin
B. stomach
C. mouth
D. esophagus
8. Teeth and tongue help in digestion; the teeth cut the food into pieces while the tongue____ *
1 point
A. softens and moistens the food
B. helps the food move in the mouth while chewing
C. squeezes and pushes the food down to the stomach
D. breaks the food into smaller pieces

This is a required question
9. Which of the following releases pancreatic juices? *
1 point
A. liver
B. bile
C. stomach
D. pancreas
10. Which is TRUE about pancreatic juices? *
1 point
A. They help in the formation of carbohydrates in the body.
B. They carry undigested food to the large intestine.
C. They help in the digestion of carbohydrates, fats and proteins.
D. They produce vitamins and minerals.

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11. Which part of the digestive system does the digested food go? *
1 point
A. in the large intestine
B. in the small intestine
C. in the stomach
D. in the pancreas

This is a required question
12. What digestive organ squezzes and mixes food until it becomes soupy? *
1 point
A. stomach
B. mouth
C. large intestine
D. small intestine
13. What do you call the solid waste eliminated from the anus? *
1 point
A. food
B. feces
C. undigested food
D. bowel movement
14. Which body organ does the digestion of food start and end? *
1 point
A. mouth - stomach
B. mouth - esophagus
C. esophagus - stomach
D. small intestine - anus
15. Why is saliva important? *
1 point
A. It cuts the food into pieces.
B. It helps digest food.
C. It squeezes the food into tiny particles.
D. It helps digest protein and fats
16. Which of the following is NOT an organ of the digestive system? *
1 point
A. esophagus
B. mouth
C. pharynx
D. stomach
17. What is the function of the liver and pancreas? *
1 point
A. They grind the food.
B. They soften and moisten the food.
C. They produce digestive juices.
D. They squeeze and mix the food.
18. What is the rhythmic muscular movement that moves the food from one part to the next? *
1 point
A. digestion
B. respiration
C. circulation
D. peristalsis or peristaltic movement
19. Which of the following describes the food in the stomach? *
1 point
A. looks like a soupy mixture
B. thin soluble substance
C. very small food particles
D. solid mass waste
20. What do you call a bag-like organ connected from a 25 cm. muscular tube? *
1 point
A. esophagus
B. small intestine
C. stomach
D. large intestine
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