Understanding the Brain

What happens to the brain when we are under a lot of stress?

• It becomes more sensitive to pain.

• It shrinks and functions less effectively.

• It grows larger and functions better.

• It remains the same size but functions better.

How much does the human brain weigh?

• About 2 kilograms

• About 1 kilogram

• About 1.5 kilograms

• About 500 grams

What is one benefit of laughter for the brain?

• It makes the brain heavier.

• It causes the brain to stop working.

• It helps the brain think more clearly.

• It makes the brain more sensitive to pain.

What does the brain do while we are asleep?

• It stops the heart from beating.

• It only works when we dream.

• It remains active to keep vital functions going.

• It completely shuts down.

Why is exercise important for the brain?

• It helps the brain rest more.

• It makes the brain grow larger.

• It makes the brain more sensitive to stress.

• It improves the brain's efficiency.