Brain Study Guide

What is the Brain?

The brain is the control center of the nervous system in humans and many other animals. It is responsible for processing information from the senses, controlling movements, and carrying out higher mental functions such as thinking, learning, and memory.

Parts of the Brain

The brain is divided into three main parts: the cerebrum, the cerebellum, and the brainstem.

Cerebrum

The cerebrum is the largest part of the brain and is divided into two hemispheres. It is responsible for functions such as reasoning, problem solving, and processing sensory information.

Cerebellum

The cerebellum is located at the back of the brain and is responsible for coordinating movement and balance.

Brainstem

The brainstem connects the brain to the spinal cord and is responsible for controlling basic life functions such as breathing, heart rate, and digestion.

Functions of the Brain

The brain performs a wide range of functions, including:

• Processing sensory information from the environment
• Controlling voluntary and involuntary movements
• Regulating bodily functions such as heart rate and breathing
• Storing and retrieving memories
• Thinking, reasoning, and problem solving

Brain Health

It is important to take care of the brain by maintaining a healthy lifestyle, getting regular exercise, eating a balanced diet, and engaging in activities that stimulate the brain such as reading, puzzles, and learning new skills.

Interesting Facts about the Brain

- The human brain is about 3 pounds in weight.
- The brain is made up of about 75% water.
- The brain is the most complex organ in the human body, containing billions of nerve cells called neurons.