Science 3rd Quarter

Question 1

dendrites

Answer 1

picks-up messages from the environment and carry them towards the cell body

Question 2

nucleus

Answer 2

is the control center of the cell, it maintains the cell and keeps the neuron functioning

Question 3

axon

Answer 3

function is to carry signals away from the cell body to the terminals buttons to transmit electric signals to other neurons

Question 4

myelin sheath

Answer 4

increases the speed of the signal

Question 5

cell membrane

Answer 5

protects the cell

Question 6

axon hillock

Answer 6

generates impulse in the neuron

Question 7

axon terminal

Answer 7

transmits messages to other cells

Question 8

node of ranvier

Answer 8

allows diffusion of ions

Question 9

schwann cell

Answer 9

protects the myelin sheath

Question 10

cell body

Answer 10

organizes and keep the cell functional

Question 11

hypothalamus

Answer 11

maintains homeostasis, regulates body temperature, thirst, hunger, appetite and emotions

Question 12

thalamus

Answer 12

above the brain stem, relay station for sensory and motor signals

Question 13

cerebrum

Answer 13

is the largest part of the brain that controls memory, planning, reasoning, intelligence, verbal ability and mathematical ability.

Question 14

cerebellum

Answer 14

connects the medulla oblongata to the cerebrum, also controls the rate of breathing

Question 15

brainstem

Answer 15

controls the breathing, digestion, circulation

Question 16

parietal lobe

Answer 16

sensory information

Question 17

temporal lobe

Answer 17

controls our sense of smell, speech, rhythm and our short term memory

Question 18

frontal lobe

Answer 18

controls our personality, decision-making, physical movements

Question 19

occipital lobe

Answer 19

located at the back of the brain, involved with our vision

Question 20

spinal cord

Answer 20

connected to the brain stem, it sends messages from and to our body and brain

Question 21

medulla oblongata

Answer 21

regulates breathing, heart rhythms, blood pressure, and swallowing

Question 22

pons

Answer 22

coordinates facial movements, hearing, and balance

Question 23

midbrain

Answer 23

regulating eye movements