Bio Starter # 63

The Central Nervous System (CNS) consists of what two parts of the nervous system?

• brain and spinal cord
• stomach and intestines
• liver and kidneys
• heart and lungs

What type of signal is sent through the axon of a neuron?

• Electrical

• Chemical

What type of signal is sent through the synapse between neurons?

• Electrical

• Chemical

Identify the axon terminal.

Identify the Myelin sheath.

Identify the dendrites of the neuron.

How many synapsis does a reflex arc need to travel through before motion takes place?

• 1
• 4
• 2
• 3