Chapter 2

Question 1

(Divisions of) Peripheral Nervous System

Answer 1

Somatic Nervous System: enables voluntary control of our skeletal muscles.

Autonomic Nervous System: controls our glands and the muscles of our internal organs.

Sympathetic Nervous System: arouses and expends energy.

Parasympathetic Nervous System: produces the opposite effects, conserving energy as it calms by decreasing your heartbeat, lower your blood sugar. etc…..

Question 2

neurotransmitters

Answer 2

Chemical messengers which travel across the synapse and bind to receptor sites on the receiving neuron.

Question 3

Brainstem

Answer 3

contains the medulla an pons

medulla controls heart beat automatically

The pons helps coordinate movement

Question 4

cerebral cortex

Answer 4

Ultimate control and information processing center.

cerebral cortex allows us to reflect on who were in the past and who we’ll be in the future.

Question 5

Limbic system

Answer 5

contains: Amygdala, Hypothalamus, Hippocampus

Primal reaction: anger, anxiety, hunger, thirst, conscious memories

Question 6

Brain regions from oldest to newest

Answer 6

Brainstem, Thalamus, Cerebellum, Limbic System, Cerebral Cortex

Question 7

Neuron Parts

Answer 7

Dendrite, Cell Body, Axon, Myelin sheath, Terminal Branches of Axon