Ch. 6 How Animals Stay Alive

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

bundle of wire-like nerves threaded through the backbones, through which electrical messages travel between the brain and body.

• neurons
• spinal cord
• spaghetti
• brain

Tags

NGSS.MS-LS1-3

main organ of the nervous system. protected by the skull, and made of neurons, it is the control center for all actions, thoughts and emotions.

• brain
• electrical impulse
• gland
• heart

nerve cell specialized for transferring messages

• receptor
• neuron
• cerebellum
• axon

A nerve cell; the basic building block of the nervous system

• brain
• spinal cord
• neuron
• nerve

Tags

NGSS.MS-LS1-3

What is NOT part of the peripheral nervous system (PNS)?

• axons
• sensory receptors
• spinal cord
• motor neurons

What does ingestion mean? 

• Taking food in via the mouth
• Taking food in via the stomach

What does digestion mean? 

• Passing of nutrients through the intestinal wall 
• Mechanical and chemical breakdown of food

The process by which animals take in oxygen and give off carbon dioxide is called _______________.

• respiration

• digestion

• air balance

• filter feeding

Bony fish that live in freshwater use ___________ to get rid of excess water.

• ventricles

• nerve nets

• gills

• kidneys