P3 Science · Chapter 8brightbit.net/worksheets
The Human Body — Digestive System
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is the main purpose of digestion?
(a) To break down food into nutrients the body can absorb(b) To produce energy directly(c) To remove waste from the body(d) To transport oxygen to cells
- 2.
Where does digestion begin?
(a) The mouth(b) The stomach(c) The small intestine(d) The oesophagus
- 3.
What is the function of the stomach in digestion?
(a) It churns food and uses acid to break it down further(b) It absorbs nutrients into the blood(c) It produces bile to digest fats(d) It stores waste before it is removed
- 4.
Where are most nutrients absorbed into the bloodstream?
(a) Small intestine(b) Large intestine(c) Stomach(d) Mouth
- 5.
What is the role of the large intestine?
(a) To absorb water from undigested food and form waste (faeces)(b) To produce digestive enzymes(c) To absorb glucose into the blood(d) To churn food with acid
- 6.
Which organ produces bile to help digest fats?
(a) Liver(b) Stomach(c) Pancreas(d) Kidney
- 7.
Teeth are important for digestion because they:
(a) Physically break food into smaller pieces, increasing surface area for enzymes(b) Produce digestive juices(c) Absorb nutrients(d) Kill bacteria in food
- 8.
What is the oesophagus?
(a) A muscular tube that carries food from the mouth to the stomach(b) The organ that produces stomach acid(c) The tube that carries blood to the heart(d) The organ that absorbs nutrients
- 9.
List the correct order of organs in the human digestive system.
(a) Mouth → oesophagus → stomach → small intestine → large intestine(b) Mouth → stomach → oesophagus → large intestine → small intestine(c) Mouth → small intestine → stomach → large intestine → oesophagus(d) Stomach → mouth → oesophagus → small intestine → large intestine
- 10.
Name the organ where water is mainly absorbed from digested food.
Answer: ____________________________________
Answer key — P3 Science: The Human Body — Digestive System
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) To break down food into nutrients the body can absorb
- 2.(a) The mouth
- 3.(a) It churns food and uses acid to break it down further
- 4.(a) Small intestine
- 5.(a) To absorb water from undigested food and form waste (faeces)
- 6.(a) Liver
- 7.(a) Physically break food into smaller pieces, increasing surface area for enzymes
- 8.(a) A muscular tube that carries food from the mouth to the stomach
- 9.(a) Mouth → oesophagus → stomach → small intestine → large intestine
- 10.Large intestine
Free worksheet from BrightBit · more free P1–P6 worksheets at brightbit.net/worksheets