Structures and functions
The skull provides a hard, protective case
The brain weighs about 1.3 kg (just under 3 pounds)
It has a jelly-like consistency & is surrounded by fluid
It is about 2% of body weight & uses 20% of the body's oxygen
Interruption for 2/3 minutes can cause brain cell death
Unlike skin or bone, brain cells do not re-grow
Lobe functions
The brain is divided into 6 main areas, 4 of those areas are called Lobes
Each area is responsible for a key function of our brain
