QUIZ: Body Sys Nervous System Activities 7 & 8

A major function of the nervous system is to

• 1. control and coordinate responses of the body

• 1. remove undigested wastes from the body

• 1. eliminate carbon dioxide from the body

• move nutrients throughout the body
  

Answer explanation

The major function of the nervous system is to control and coordinate responses of the body, making it the correct choice.

Reorder the following terms to represent increasing levels of organization in the human body.

• cell

• organism

• organ system

• organ

• tissue

Answer explanation

The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.

Tags

NGSS.MS-LS1-3

A diagram representing the levels of organization within an organism is shown in the diagram.

Which level of organization is identified by X?

• cell

• tissue

• organ

• organ system

Answer explanation

The level of organization identified by X is tissue, as shown in the diagram. Tissue is a group of cells working together to perform a specific function.

Tags

NGSS.MS-LS1-3

Body systems have several functions. Drag each function into the box for the system that makes it possible.

• Transport nutrients

• Muscular System

• Protect Organs

• Circulatory System

• Feel pain

• Nervous System

• Move

• Skeletal System

Answer explanation

Anything to do with food is taken care of by the digestive system. The nervous system allows you to feel and react.

Look at this diagram of the human nervous system. Drag the system parts into the correct boxes.

b

c

e

Cerebrum

Brain Stem

Brain

Nerve

Spinal Cord

Answer explanation

The nervous system transmits impulses throughout your body.

Drag the terms below to the correct location on the nervous system diagram.

f

g

e

h

Interneuron

The 5 Senses

Sensory Neuron

Motor neuron

Cerebellum

Brain Stem

Muscle

Cerebrum

Reflex

Sean is thinking about using seawater to water his plants. Sean places 10 spider plants near a window

for 20 days. Each day, he waters five plants with 10 mL of seawater and five plants with 10 mL of fresh

water. He measures their heights before and after the 20 days. Shown below is a table of Sean’s results. Based on these results, which of the following could Sean conclude?

• Spider plants grow better with fresh water than salt water.

• Spider plants need water to grow.

• Spider plants need to be near a window.

• Salt water does not affect the growth of spider plants.

Answer explanation

Sean could conclude that spider plants grow better with fresh water than salt water based on the results.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Clive wants to pick up a cookie on the table. In order for this to happen, what type of cell will carry the message from his brain to the muscles in his arm and hand?

• nucleus cells

• neuron cells

• digestive cells

• 1. muscle cells

Answer explanation

Neuron cells will carry the message from Clive's brain to the muscles in his arm and hand, allowing him to pick up the cookie.

Tags

NGSS.MS-LS1-3

The sound of a car horn caused a dog to run to the side of the road. This sound is an example of a

• 1. stimulus

• response

• reflex

• synapse

Answer explanation

The sound of a car horn is a stimulus that caused the dog to run to the side of the road, triggering a response. Therefore, the correct choice is 'stimulus'.

Tags

NGSS.MS-LS1-8

A change in the environment causes an organism to respond. This change is called:

• a reflex

• a response

• an impulse

• a stimulus

Answer explanation

A change in the environment that causes an organism to respond is called a stimulus. A stimulus triggers a reaction or response in the organism.