Human Nervous System Quiz

What are the two main parts of the human nervous system?

• The brain and the heart

• The central nervous system and the peripheral nervous system

• The spinal cord and the muscles

• The brain and the lungs

Answer explanation

The two main parts of the human nervous system are the central nervous system and the peripheral nervous system.

What does the central nervous system (CNS) consist of?

• The brain and the heart

• The brain and the spinal cord

• The spinal cord and the muscles

• The brain and the lungs

Answer explanation

The central nervous system (CNS) consists of the brain and the spinal cord, making the correct choice the brain and the spinal cord.

What is the function of the peripheral nervous system?

• To carry information to or from the CNS

• To pump blood throughout the body

• To digest food

• To produce hormones

Answer explanation

The function of the peripheral nervous system is to carry information to or from the CNS, making it the correct choice.

What are neurones?

• Cells that carry electrical signals along their length

• Cells that produce hormones

• Cells that digest food

• Cells that pump blood

Answer explanation

Neurones are cells that carry electrical signals along their length, making them the correct choice.

Tags

NGSS.MS-LS1-2

What is a synapse?

• A type of nerve cell

• A tiny gap where two neurones meet

• A part of the brain

• A type of muscle

Answer explanation

A synapse is a tiny gap where two neurones meet, allowing for communication between nerve cells.

Which sense organ detects temperature, pressure, and pain?

• Tongue

• Nose

• Skin

• Ear

Answer explanation

The sense organ that detects temperature, pressure, and pain is the skin. The skin contains receptors that respond to these stimuli, sending signals to the brain for interpretation.

What type of stimuli do the receptor cells in the tongue respond to?

• Light

• Sound

• Chemicals (in the air)

• Chemical tastes (in food and drink)

Answer explanation

The receptor cells in the tongue respond to chemical tastes in food and drink, not light or sound. This is how we perceive different flavors when we eat or drink.

Tags

NGSS.MS-LS1-8

Which sense organ is responsible for detecting light?

• Eyes

• Nose

• Ear

• Skin

Answer explanation

The sense organ responsible for detecting light is the Eyes.

What stimuli do the receptor cells in the nose respond to?

• Sound

• Chemicals (in the air)

• Temperature

• Light

Answer explanation

The receptor cells in the nose respond to chemicals in the air, not sound, temperature, or light.

Tags

NGSS.MS-LS1-8

Which sense organ detects sound?

• Skin

• Tongue

• Ear

• Eyes

Answer explanation

The sense organ that detects sound is the Ear.