Random
Basic units of the nervous system. I send messages to and from the brain.
Neurons!
we have ___________ billion neurons!
80-100 billion
only last for a short amount of time, like 15-30 seconds
short term memory
The bigger the brain, the smarter you are - true or false?
FALSE!
In terms of the brain, size doesn't matter. The average human brain weighs roughly 3 pounds or 1.3 kilograms, whereas a sperm whale brain runs about 17 pounds (7.7 kilograms). So, it appears that the size of the physical body has more to do with determining brain size than intellectual capability.
If someone has multiple sclerosis (MS) the immune system attacks the protective sheath that covers nerve fibers and causes communication problems between your brain and the rest of your body.
What is the proper name for the protective sheath that covers nerve fibers?
Myelin Sheath!
The memory of how to ride a bike is an example of _______
long term memory
The purpose of this system is to: break down food and drinks you consume, so your body can get the nutrients and sugars it needs.
Digestive System
True! Carbon dioxide is the waste the circulatory system carries away from the cells.
Ouch! I burnt myself on the stove
I experienced something through my senses and messages sent to the brain
Sensory neurons
60% of the brain is made up of what...
Fat! This makes it the fattiest organ in the human body.
Are gaps between neurons. The more neurons communicate the stronger these get, making it easier to send future signals
Synapes
Lymph nodes are part of the reproductive system
False!!! They are part of the immune system
Name 2 body systems used when we are RUNNING and how they are working
Nervous system - exercise makes the body feel stress
Skeletal System - enabling movement
Muscular System - create movement, enable strength
Integumentary System - eliminate waste through sweat
Respiratory system - for breathing
(other answers are determined by teacher)
Which is an example of short term memory
a)The instructions your teacher just gave you
b)The name of the person you just met
c)The memory of your first birthday party
Both a) and b)
Easier to store if they have an emotional or meaningful connection
Long term memories
The amygdala is closely related to our ability to experience FEAR