Unit Test #6: The Human Body

Front

What is the primary function of nerve cells?

Back

Nerve cells can carry signals and connect all parts of the body to the brain.

Front

What do sensory receptors do?

Back

They detect stimuli and send messages to the brain causing a response.

Front

Which system protects internal organs and produces blood cells?

Back

Skeletal system.

Front

How is carbon dioxide removed from the body?

Back

Primarily by the respiratory system.

Front

Which two systems work together for gas exchange in the lungs?

Back

Respiratory and circulatory systems.

Front

What is the role of the respiratory system?

Back

To facilitate the exchange of gases, primarily oxygen and carbon dioxide.

Front

What is the function of the circulatory system?

Back

To transport blood, nutrients, gases, and waste products throughout the body.

Front

What are the main components of the skeletal system?

Back

Bones, cartilage, ligaments, and joints.

Front

What is the importance of sensory input?

Back

It allows organisms to perceive their environment and respond appropriately.

Front

What happens to nerve cells when they are damaged?

Back

They can lose their ability to carry signals effectively.