Human Body Systems and Functions

Front

What do the digestive and circulatory systems have in common?

Back

They work together to give cells the nutrients to produce energy.

Front

What is the primary function of the respiratory system in the human body?

Back

To exchange gases, taking in oxygen and expelling carbon dioxide.

Front

What is instinctual behavior in animals?

Back

Instinctual behavior is a natural, unlearned behavior that animals are born with, such as herding in zebras.

Front

What is the difference between inherited and acquired traits?

Back

Inherited traits are passed down from parents to offspring, while acquired traits are developed through experience or environment.

Front

What role does exercise play in physical development?

Back

Exercise helps strengthen muscles and improve physical abilities, such as speed and endurance.

Front

Why do some animals live in groups?

Back

Animals often live in groups for protection, social interaction, and to increase their chances of finding food.

Front

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

Back

The heart pumps blood throughout the body, delivering oxygen and nutrients to cells.

Front

How do the respiratory and circulatory systems work together?

Back

The respiratory system brings in oxygen, which the circulatory system transports to cells, while it also carries carbon dioxide back to the lungs to be expelled.

Front

What is the importance of nutrients for the human body?

Back

Nutrients provide energy, support growth, and help maintain bodily functions.

Front

What is the role of the brain in the nervous system?

Back

The brain processes information and coordinates responses, controlling body functions and movements.