The Amazing Nervous System: Video Assessment

The video tutorial covers the central nervous system, focusing on the spinal cord and nerve cells that transmit signals. It explains the role of nerve cells in protecting neurons, the process of nerve impulses, and how chemical messengers carry impulses across synapses. The tutorial also discusses how pain is received via neurons, the transmission of impulses away from the central nervous system, and automatic involuntary responses to stimuli. Finally, it describes the autonomic nervous system and its control over functions like heartbeat.

What does the central nervous system consist of?

• Brain and heart

• Spinal cord and brain

• Lungs and spinal cord

• Heart and lungs

What is the role of nerve cells mentioned in the first section?

• To store energy

• To transmit signals in the body

• To digest food

• To produce hormones

What are the spaces between neurons called where nerve impulses move?

• Synapses

• Myelin sheaths

• Axons

• Dendrites

What carries impulses across synapses?

• Chemical messengers

• Sound waves

• Electrical signals

• Magnetic fields

What is an automatic involuntary response to a stimulus called?

• Reaction

• Reflex

• Impulse

• Signal