Topic 3 - Human Body Systems

Front

What is an organ?

Back

A body structure composed of different kinds of tissues that work together to perform a specific function.

Front

Define 'Interactions' in the context of living things.

Back

The different ways that living things communicate with, act toward, and influence each other.

Front

What is an organ system?

Back

A group of organs that work together to perform a major function in the body.

Front

What is a neuron?

Back

A cell that carries information through the nervous system.

Front

What is an artery?

Back

A blood vessel that carries blood away from the heart.

Front

What is a vein?

Back

A blood vessel that carries blood toward the heart.

Front

What is a capillary?

Back

A tiny blood vessel where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs.

Front

What is tissue?

Back

A group of similar cells that work together to perform a specific function.

Front

What is the function of the heart?

Back

To pump blood throughout the body, supplying oxygen and nutrients to tissues.

Front

What is the role of the lungs in the human body?

Back

To facilitate the exchange of oxygen and carbon dioxide between the air and the blood.