Exploring Human Body Systems

Front

What is the basic unit of life?

Back

Cell

Front

Which part of the circulatory system carries blood away from the heart?

Back

Artery

Front

What are tissues composed of?

Back

Similar cells working together.

Front

True or False: Atoms are larger than cells.

Back

False

Front

What is made up of many cells that perform specific functions?

Back

Tissue

Front

What is the function of the heart in the circulatory system?

Back

To pump blood throughout the body.

Front

What are the two main types of blood vessels in the circulatory system?

Back

Arteries and veins.

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body and carbon dioxide from the body back to the lungs.

Front

What is the difference between a tissue and an organ?

Back

A tissue is made up of similar cells, while an organ is made up of different types of tissues working together.

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, bringing oxygen into the body and removing carbon dioxide.