P2 Science · Chapter 13brightbit.net/worksheets
The Human Body
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
Which organ pumps blood around the body?
(a) Heart(b) Lungs(c) Brain(d) Stomach
- 2.
What is the main job of the lungs?
(a) To breathe in oxygen and breathe out carbon dioxide(b) To digest food(c) To pump blood(d) To filter waste from blood
- 3.
Food is digested (broken down) in the:
(a) Digestive system(b) Circulatory system(c) Nervous system(d) Respiratory system
- 4.
The brain is protected by the:
(a) Skull(b) Spine(c) Ribcage(d) Sternum
- 5.
Blood carries oxygen from the lungs to other parts of the body through:
(a) Blood vessels(b) Nerves(c) Muscles(d) Bones
- 6.
Exercise makes your heart beat faster because:
(a) Your muscles need more oxygen so the heart pumps faster(b) Your body gets too hot(c) Your lungs shrink(d) Your brain slows down
- 7.
Which organ produces bile to help digest fats?
(a) Liver(b) Stomach(c) Lungs(d) Kidney
- 8.
The backbone (spine) is important because it:
(a) Supports the body and protects the spinal cord(b) Pumps blood(c) Produces hormones(d) Helps digestion
- 9.
Why is it important to wash your hands before eating?
(a) To remove germs that could cause illness(b) To make hands warmer(c) To soften your skin(d) To help digestion
- 10.
A person who exercises regularly has a stronger heart because:
(a) The heart is a muscle that gets stronger with regular use(b) Exercise adds extra heart chambers(c) The heart grows larger permanently(d) Exercise replaces old blood with new
Answer key — P2 Science: The Human Body
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) Heart
- 2.(a) To breathe in oxygen and breathe out carbon dioxide
- 3.(a) Digestive system
- 4.(a) Skull
- 5.(a) Blood vessels
- 6.(a) Your muscles need more oxygen so the heart pumps faster
- 7.(a) Liver
- 8.(a) Supports the body and protects the spinal cord
- 9.(a) To remove germs that could cause illness
- 10.(a) The heart is a muscle that gets stronger with regular use
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