The brain and the body – True or false

The human brain consumes 20% of the body's oxygen supply, which is essential for maintaining bodily functions and enabling us to live life fully.

What percentage of the body's oxygen is used by the human brain?

• 20%

• 10%

• 30%

• 40%

Which organ uses the most oxygen in the body?

• Heart

• Liver

• Kidneys

• Brain

Why does the brain need a lot of oxygen?

• To help us sleep better

• To keep our body functioning well

• To improve our memory

• To enhance our vision

What is the consequence of the brain not receiving enough oxygen?

• Increased energy levels

• Improved concentration

• Reduced body function

• Enhanced physical strength

How does oxygen help the brain?

• By increasing our appetite

• By keeping our body working efficiently

• By making us feel sleepy

• By reducing stress