lesson 3 the brain

Question 1

the brain is made of what

Answer 1

billions of interconnected nerve cells

Question 2

the brain and spinal cord together make up the what

Answer 2

CNS

Question 3

the top bit of the brain is called what

Answer 3

cerebral cortex

Question 4

the cerebral cortex is responsible for what

Answer 4

consciousness
intelligence
memory
language
and senses

Question 5

the cerebral cortex is split into two parts called what

Answer 5

hemispheres

Question 6

the left hemisphere of the cerebral cortex controls what

Answer 6

the right side of the body

Question 7

the right hemisphere of the cerebral cortex controls what

Answer 7

the left side of the body

Question 8

at the back of our brain, we have what

Answer 8

the cerebellum

Question 9

the cerebellum controls what

Answer 9

balance and muscle coordination

Question 10

in the middle of our brain we have what

Answer 10

the hypothalamus

Question 11

the hypothalamus does what

Answer 11

regulates body temp
and
sends signals to the pituitary gland

Question 12

connecting the brain to the spinal cord is called what

Answer 12

the brain stem

Question 13

within the brain stem there is what

Answer 13

the medulla

Question 14

the medulla does what

Answer 14

controls our unconscious activities (eg breathing)

Question 15

what is one way scientists study the brain

Answer 15

through people with brain damage

Question 16

what is the 2nd way scientists study the brain

Answer 16

electrically stimulate different parts of the brain

Question 17

how do scientists electrically stimulate different parts of the brain

Answer 17

by using a tiny electrode to see if anything happens

Question 18

what is the 3rd way scientists study the brain

Answer 18

by scanning the brain

Question 19

which scans can the scientists use to study the brain

Answer 19

CT scan (x-ray)

pet scan (radioactive chemicals)

MRI scan (magnetic fields)

Question 20

the CT scan is used for what purpose

Answer 20

to see which areas of the brain are damaged

Question 21

the pet scan and MRI scan is used for what purpose

Answer 21

measuring the underlying activity

Question 22

what is the first reason for treating the brain to be so difficult

Answer 22

as there are a wide range of things that can go wrong

Question 23

in treating the brain what are the wide range of things that can go wrong

Answer 23

tumors
traumas
mental health issues
infections

Question 24

what is the second reason by which the brain is incredibly difficult to treat

Answer 24

as the surrounding brain tissue is fragile so its difficult to fix anything

the brain is also complex