Absorption of materials test questions


What happens to red blood cells as they pass through the capillaries in the lungs?


Which of the following products of digestion are transported in the blood capillaries of the villi?


Which structure in the diagram below transports the products of fat digestion?

A villus in the small intestine. 3 labels. Number 1 points to the long, relatively thin structure in the centre.  Number 2 points to vessels surrounding number 1.  Number 3 points to the outer edge of the diagram.


In mammals, why must oxygen and nutrients from food be absorbed into the bloodstream for delivery to cells?


Which of the following blood vessels allow the exchange of materials at cellular level?