Practice Unit 2 Test (6th)

Front

What is the relationship between cells, tissues, organs, and organ systems in the human body?

Back

All parts of the body depend on each other.

Front

Which body systems interact to provide energy for physical activity?

Back

Circulatory and respiratory systems.

Front

What is the function of the cell membrane?

Back

It surrounds and protects the cell.

Front

What type of cell has a nucleus and a cell wall?

Back

Plant cell.

Front

Which body system is responsible for sending signals to and from the brain?

Back

Nervous system.

Front

What is the primary function of the circulatory system?

Back

To transport blood, nutrients, and oxygen throughout the body.

Front

What role does the respiratory system play in the body?

Back

It allows for the exchange of oxygen and carbon dioxide.

Front

What is the function of the digestive system?

Back

To break down food and absorb nutrients.

Front

What are the main components of the muscular system?

Back

Muscles and tendons.

Front

What is the purpose of the skeletal system?

Back

To provide structure and support to the body.