1. The tiny finger-like projections that increase the surface area for absorption are called:
The Digestive System
  1. Villi
  2. Alveoli
  3. Nephrons
  4. Cilia
2. What is the main function of the large intestine?
The Digestive System
  1. To digest protein
  2. To reabsorb water and store waste
  3. To produce saliva
  4. To pump blood
3. Which enzyme breaks down proteins?
The Digestive System
  1. Amylase
  2. Lipase
  3. Protease
  4. Catalase
4. In which organ is most digested food absorbed into the bloodstream?
The Digestive System
  1. The stomach
  2. The small intestine
  3. The oesophagus
  4. The large intestine
5. In double circulation, the right side of the heart pumps blood to the:
The Heart and Circulation
  1. Whole body
  2. Lungs
  3. Brain only
  4. Left atrium directly
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