MD Activity 2.1 Vocabulary (PLTW)

What is the Central Nervous System (CNS) made up of?

• Brain and spinal cord

• Heart and lungs

• Muscles and bones

• Skin and hair

The Peripheral Nervous System (PNS) is a network of nerves that runs throughout the head, neck, and body. What does it carry?

• Blood

• Messages to and from the central nervous system

• Oxygen

• Nutrients

The Autonomic Nervous System (ANS) controls involuntary bodily functions like heart rate and digestion. True or False?

• True

• False

Tags

NGSS.HS-LS1-3

Fill in the blank: A nerve is a whitish fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord, and impulses from these to the _______.

• Skin

• Muscles and organs

• Eyes

• Ears

What triggers a physiological or behavioral response in an organism?

• Stimulus

• Neuron

• Nerve

• CNS

Fill in the blank: The Autonomic Nervous System (ANS) is part of the _______ nervous system.

• Central

• Peripheral

• Digestive

• Respiratory

What is the function of sensory neurons?

• To carry signals to muscles

• To receive stimuli from sensory organs

• To transmit motor commands

• To link the CNS with the body.

Motor neurons allow us to move, speak, swallow, and breathe by sending commands from the brain to the ______.

• A) sensory organs

• B) muscles

• C) spinal cord

• D) mixed nerves

Sensory nerves help people perceive their environment by transmitting signals that allow them to see, smell, taste, and ______.

• touch

• move

• breathe

• speak

Tags

NGSS.MS-LS1-8

What role do sensory nerves play in the body?

• They carry motor commands

• They mediate sensations related to defense reactions, pleasure, and stress

• They link the CNS with the body

• They transmit autonomic impulses.

Tags

NGSS.MS-LS1-8