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Brain Facts!
Parts of the Brain
Keep a Healthy Brain
What's in a Brain?
100
It Weighs About 3.3 pounds, or 1.5 kilograms.
What is the weight of the human brain?
100
the cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system.
What is the spinal cord?
100
This can cause blackouts and memory lapses in your brain
What is alcohol?
100
The largest brain of all vertebrates relative to body size
What is the human brain?
200
As little as five minutes without ______ can cause brain cells to die, leading to severe brain damage.
What is oxygen?
200
This part of the brain is responsible for: Personality, behavior, emotions Judgment, planning, problem-solving Speech: speaking and writing (Broca’s area) Body movement (motor strip) Intelligence, concentration, self awareness
What is the frontal lobe?
200
This can cause deterioration of brain cells and less brain activity.
What are recreational drugs and alcohol?
200
This part of the brain makes up 85 % of its weight
What is The Cerebrum?
300
Your brain is 73% made up of this. It takes only a 2% drop in it to affect your attention, memory and other cognitive skills.
What is dehydration?
300
the largest part of the brain, and is responsible for senses like touch, vision and hearing, as well as speech, reasoning, and others.
What is the cerebrum?
300
This activity can alleviate stress, and help you control your emotions.
What is exercise?
300
Brain cells that look like branches connected to each other and fire electric pulses. (the "grey matter"
What are Neurons?
400
There are 86 billion of these in our brains
What are brain cells?
400
Known as the “master gland,” it controls other endocrine glands in the body. It secretes hormones that promote bone and muscle growth, respond to stress, and fight disease.
What is the Pituitary gland?
400
This action can Sharpen your short-term memory, and also help your long-term memory.
What is exercise?
400
connections between neurons that allow them to send electrical impulses
What are synapses?
500
Your brain can process an image that your eyes have seen for in as little as 13 ____________— less time than it takes for you to blink.
What are milliseconds?
500
It is a part of the limbic system and is associated with memory, emotions, and motivation.
What is the hippocampus?
500
By acting on the medulla, _______ induces sleepiness. It can also slow breathing and lower body temperature, which can be life-threatening.
What is alcohol?
500
they are billions of nerve fibers — the "white matter"
What are axons and dendrites?