Science - Absorption

Question 1

What happens to Starch molecules during digestion

Answer 1

Starch molecule is large. Enzymes break it into smaller, more soluble molecules

Question 2

Tell me the process of respiration

Answer 2

Glucose + Water → energy + carbon dioxide

Question 3

Why do particles all spread out evenly

Answer 3

All particles spread out evenly because of diffusion

Question 4

What does diffusion help in

Answer 4

Diffusion causes the nutrient particles to spread to the blood

Question 5

Tell me the small intestine adaptations

Answer 5

It has a large surface area for faster absorption
 The surface is folded

 The surface has finger-shaped villi
 The villi have folded tops to increase area (micro-villi)
 The villi are one cell thick, so nutrients only need to pass through one layer