PBS Exam

Front

What should long hair be in the laboratory?

Back

Tied back.

Front

Why are both cats and humans considered multicellular organisms?

Back

They need many cells working together to meet their basic needs.

Front

What are hormones?

Back

Chemical messengers.

Front

What is the function of the immune system?

Back

To fight off diseases.

Front

What is the main function of the circulatory system?

Back

To transport materials throughout the body.

Front

What is the role of the respiratory system?

Back

To facilitate breathing and gas exchange.

Front

What is the function of the muscular system?

Back

Allows movement of the body.

Front

What do vitamins and minerals do for the body?

Back

Support various bodily functions and processes.

Front

What is the role of nutrients in the body?

Back

Provide energy and support growth and repair.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of many cells.