Chapter 26 Nervous and Endocrine System

Which body system coordinates all of the systems by controlling every activity that takes place?

• The Nervous System

• The Digestive System

• The Endocrine System

• The Circulatory System

• The Immune System

Digestion, Heartbeat, and Reflexes are examples of

• Voluntary Processes

• Involuntary Processes

Speaking, Running, and Karate Chopping are examples of

• Voluntary Processes

• Involuntary Processes

Which best describes myelin?

• it is a neurotransmitter that triggers muscle contraction

• it is a protein that builds the axon

• it is a fat that speeds the message along the axon

• it is a fat that helps the neuron "hear" messages

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Match the structures with their number on the diagram

• 4

• Dendrites

• 3

• Axon terminal

• 5

• Axon

• 2

• Node of Ranvier

• 1

• Soma

Answer explanation

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What do motor neurons do?

• carry messages from the brain and spinal cord to muscles and glands

• carry impulses from the skin and sends to the spinal cord and brain

• carry impulses from sensory neurons to motor neurons

• store messages

Type of neuron located only in the brain and spinal cord that pass impulses from one neuron to another.

• Motor Neuron

• Interneuron/Relay

• Sensory Neuron

Controls long term changes such as growth

• limbic system

• endocrine system

• nervous system

• temporal lobe

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A hormone is

• a chemical substance produced by a gland and carried by the lymph.

• an enzyme produced by a gland and carried by the blood.

• a chemical substance produced by an organ and carried by the blood.

• a chemical substance produced by a gland and carried by the blood.

The main elements of the endocrine system are ______.

• The glands, hormones, and cell receptors

• The glands, nerves, and blood vessels

• The blood, tissue, and brain

• The hormones, blood, and brain