Q.

The brain is responsible for:

1 thinking  
2 regulating the heart beat  
3 balancing the body  
4 all of the above  

Ans.

(4)

The cerebellum of the brain is involved in muscle coordination, muscle tone, and balance. The medulla oblongata regulates heartbeat and controls consciousness and arousal. The cerebrum is the centre of brain for higher-order thinking functions such as learning, memory, language, and speech.