Unit 8: How are organisms adapted to survive

Question 1

What is the Central Nervous System (Parts and Function)

Answer 1

The brain and the spinal cord
The CNS process information that the PNS gives to it

Question 2

What is the Peripheral Nervous system ( Parts and Function)

Answer 2

The nerves all around the body

The PNS sends information to the CNS

Question 3

Which direction does information go through the nerve cells?

Answer 3

Dendrite receive, axon give

Question 4

State 3 differences between the Endocrine system and the Nervous system

Answer 4

The endocrine system relies on hormones and is transported by blood stream ( Slow acting, effects last longer)

Nervous system relies on electrical impulses and is transported by nerves (Very fast acting, dont last long)

Question 5

What is a synapse?

Answer 5

A synapse is the gap between 2 neurons that allows a signal to pass between the neurons

Question 6

Reflex Arc
Sequence of events

Answer 6

Stimuli -> Receptor Cells -> Sensory Neuron -> Spinal Cord -> Relay Neuron-> Motor Neuron -> Effector