2 Written Questions

1. nephron
2. small intestine: villi

2 Multiple Choice Questions

1. Capillaries
   1. in lungs.gas exchange. needs large surface area.
   2. gas exchange. nutrient & weight transfer. needs large surface area
   3. absorption of nutrients. needs large surface area
   4. exchange of salt and waste and water. needs large surface area
2. alveoli
   1. absorption of nutrients. needs large surface area
   2. 3 things that need LARGE surface area (alpha order)
   3. in lungs.gas exchange. needs large surface area.
   4. exchange of salt and waste and water. needs large surface area

1 True/False Question

1. 3 things that need LARGE surface area (alpha order) → absorption. diffusion. secretion.

   True        False