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Natural Science Unit 4: The Human body (5th grade)
Contributed by: Cambon
  • 1. Carbohydrates...
A) help our body to grow
B) give us energy
C) help our body to repair itself
  • 2. Fats...
A) help our body to grow
B) help our body to repair itself
C) give us energy
  • 3. Proteins...
A) give us energy
B) help our body to grow and repair itself
  • 4. Vitamins...
A) give us energy
B) help our body to grow
C) are esential for our body to function well
  • 5. Water...
A) is essential for us to survive
B) help our body to grow
C) give us energy
  • 6. This is the food that somebody normally eats over a period of time.
A) Diet
B) Complete
C) Sugars
D) Balanced
  • 7. To maintain a heathy diet...
A) you shoul eat a lot of sweets, cookies, cakes...
B) you should eat lots of fresh fruit and vegetables.
C) you should eat more meat than fish
D) you should eat a lot of animal fats
  • 8. The digestive process converts the food we eat into nutrients.
A) False
B) True
  • 9. In this part of the digestive system, the bolus mixes with the gastric juices. This mixture is called Chyme.
A) Mouth
B) Oesophagus
C) Stomach
D) Small intestine
  • 10. A milky fluid called Chyle is produced here.
A) Large intestine
B) Small intestine
C) Stomach
D) Mouth
  • 11. In this part of the digestive system, the teeth break down the food into small pieces which are mixed with the saliva.
A) The small intestine
B) The stomach
C) The oesophagus
D) The large intestine
E) The mouth
  • 12. In this part, water is absorbed.
A) Stomach
B) Mouth
C) Large intestine
D) Small intestine
  • 13. It is the process in which nutrients pass from the digestive system into the blood.
A) Absorption
B) Respiration
C) Elimination of waste
  • 14. It is the movement of air in and out of the body to obtain oxygen.
A) Digestion
B) Circulation
C) Respiration
  • 15. The trachea is an organ in the circulatory system
A) True
B) False
  • 16. They are tiny sacs at the end of the bronchioles.
A) Lungs
B) Larynx
C) Pharynx
D) Bronchi
E) Alveoli
  • 17. During this process, the lungs fill with air and oxygen passes to the alveoli and then into the blood.
A) Inhalation
B) Absorption
C) Exhalation
  • 18. It is the movement of blood through the circulatory system to transport nutrients, oxygen and waste.
A) Respiration
B) Digestion
C) Circulation
  • 19. This organ is like a big muscle that pumps and moves blood through the body.
A) Stomach
B) Heart
C) Veins
D) Lungs
E) Arteries
  • 20. They distribute oxygen and make blood red.
A) Red blood cells
B) White blood cells
C) Plasma
  • 21. They fight infections and protect the body from illnesses
A) White blood cells
B) Red blood cells
C) Plasma
  • 22. These blood vessels carry blood away from the heart to the organs.
A) Capillaries
B) Arteries
C) Veins
  • 23. These blood vessels carry blood back to the heart.
A) Capillaries
B) Arteries
C) Veins
  • 24. These blood vessels connect veins to arteries.
A) Heart
B) Capillaries
C) Veins
D) Red blood cells
E) Plasma
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