brain

Everyday

1. The organ inside your head that controls your body, thinking, memory and feelings. tree →
2. Cleverness, intelligence: "Use your brain." tree →
3. A very clever person: "She's the brains of the team." tree →

In the lessons

In science, the brain sends and receives messages through nerves; it controls breathing, movement and the senses; sleep and healthy food help it work. In safety: wear a helmet to protect your brain. Phrases: use your brain, brainstorm, brainy, rack your brains, brain teaser, brain freeze.

Examples

• Your brain controls your body. tree →
• Wear a helmet to protect your brain. tree →
• Use your brain to solve the puzzle. tree →
• The brain sends messages through nerves. tree →
• Sleep helps your brain learn. tree →
• Let's brainstorm ideas for the story. tree →
• Eating ice cream fast gives me brain freeze. tree →
• She's the brains of our team. tree →
• “Have you brains?” asked the Scarecrow. tree →

Note

Plural "brains". Myth: people do not use only 10% of their brain — we use all of it. "Brainy" (informal) means clever.