Front

What is the primary function of the lungs in the human body?

Back

The primary function of the lungs is to facilitate the exchange of gases, specifically breathing in oxygen and exhaling carbon dioxide.

Front

What is an example of an external structure in plants?

Back

An example of an external structure in plants is the stem.

Tags

NGSS.4-LS1-1

Front

What role does skin play in the human body?

Back

The skin protects internal organs and serves as a barrier against external elements.

Front

Define 'external structure' in the context of biology.

Back

External structure refers to parts on the outside of a body or organism.

Front

What is an example of an internal structure in the human body?

Back

An example of an internal structure is the skull.

Front

What are the main components of the respiratory system?

Back

The main components of the respiratory system include the lungs, trachea, bronchi, and diaphragm.

Front

How do external structures differ from internal structures?

Back

External structures are located on the outside of an organism, while internal structures are found within the organism.

Front

What is the function of the stem in plants?

Back

The stem supports the plant, transports nutrients and water, and can store food.

Front

What is the significance of the skin as an organ?

Back

The skin is the largest organ of the body, providing protection, regulating temperature, and enabling sensation.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm is a muscle that contracts and relaxes to help draw air into the lungs and push it out.