Body Systems Test Review

Front

What type of muscle(s) is involuntary?

Back

Smooth and cardiac muscles are involuntary.

Front

Which organ breaks down food mechanically and chemically?

Back

The stomach.

Front

What is the term for the normal, balanced, steady way your body works?

Back

Homeostasis.

Front

How do the Circulatory and Respiratory Systems work together?

Back

You inhale oxygen, your blood delivers that oxygen to your cells and brings CO2 back to the lungs to exhale.

Front

Name 3 parts of the body that keep pathogens out (The First Line of Defense).

Back

Skin, tears, saliva.

Front

What is the primary function of the circulatory system?

Back

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

Front

What role does the respiratory system play in gas exchange?

Back

It allows oxygen to enter the bloodstream and carbon dioxide to be expelled from the body.

Front

Define homeostasis in the context of body systems.

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What are the main components of the circulatory system?

Back

The heart, blood vessels, and blood.

Front

How does the skin act as a barrier against pathogens?

Back

The skin acts as a physical barrier, preventing pathogens from entering the body.