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MC - Absorbing
Multicellular Organisms - Absorbing Materials
| Question | Answer |
|---|---|
| What is the name for the finger-like projections in the small intestine? | Villi |
| What is the function of the villi? | Absorb nutrients from food |
| Why is the small intestine good at absorbing food? | Large number of villi providing a large surface area. |
| Give three features of the villi that allow them to easily absorb nutrients | Large surface area, thin walls, good blood supply. |
| Which part of the villi absorbs fatty acids and glycerol? | Lacteal |
| Which component of the villi absorbs glucose and amino acids? | Blood capillary |
| What does the blood capillary absorb? | Glucose and amino acids |
| What does the lacteal absorb? | Fatty acids and glycerol |
| What are the main gas exchange organs? | The lungs |
| What do the lungs contain that provide them with a large surface area? | A large number of alveoli |
| What are the 3 features of alveoli that allow gas exchange? | Large surface area, good blood supply, thin walls |
| Give one feature of tissues which allows them to exchange materials with cells? | They have capillary networks. |
| Which two substances must be absorbed into the bloodstream to be delivered to cells? | Oxygen and nutrients from food. |
| Which waste product must be removed from the cells into the bloodstream? | Carbon dioxide |
Created by:
StNiniansHS
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