A quick look at the human brain

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• The brain is made up of about 75% water.• Humans only use 10% of the brain.• There are no pain receptors in the brain, so the

brain can feel no pain.• On average, the human brain weighs 3 pounds. • Your brain uses 50% of the blood circulating in your

body.

True or false?

Watch the video and write down…

• What are three major parts of the brain?

• What do they do?

Complete

The ______ is the most sophisticated ______ in the human body. It weighs around ______ pounds, and it is divided into ______ major parts. The _________, also called the cerebrum, is in charge of intelligence, memory, personality, etc. The _________ coordinates all brain messages from and to the spinal cord. The _________ consists of the cerebellum and the medulla. The ___________ controls balance, movement and coordination. The ________ controls automatic bodily functions like swallowing and/or breathing.

brain organthree

threefore brain

mid brain

hind brain

cerebellummedulla

• One of the most important

• Weight: 9 ounces• 4 chambers: left

and right atrium; left and right ventricle

• Function: pump blood around the body

Thank you!

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WebographyBrain structures and their functions:• http://serendip.brynmawr.edu/bb/kinser/Structure1.html

100 Fascinating Facts You Never Knew About the Human Brain• http://www.nursingassistantcentral.com/blog/2008/100-fascinating-facts-you-ne

ver-knew-about-the-human-brain/

Human heart facts• http://www.sciencekids.co.nz/sciencefacts/humanbody/heart.html

Video: The human brainhttp://www.youtube.com/watch?v=eOoPAcvkKQk