Answer:
Each villus, in turn, has thousands of even smaller projections called microvilli (singular: microvillus).
Explanation:
The villi contain capillaries, which are tiny blood vessels. Nutrients are absorbed into these capillaries across the surfaces of the villi and microvilli. Because there are millions of these tiny projections, they greatly increase the surface area for absorption.
Answer:
active transport
Explanation:
I like to remember it by active transport has the name active, which means it requires activity
The answer is B since the energy that the body uses or the energy we have is measured in calories.
Pls mark as Branliest
