Body Systems

Front

What is the main organ in the circulatory system?

Back

The heart is the main organ in the circulatory system.

Front

What is the smallest unit that is a building block for all life?

Back

The cell is the smallest unit that is a building block for all life.

Front

What happens to food in the body's cells?

Back

Food is used for energy and growth in the body's cells.

Front

How many muscles make up the human body?

Back

The human body is made up of over 600 muscles.

Front

Which two systems work together to transport nutrients to the body for energy?

Back

The digestive and circulatory systems work together to transport nutrients to the body for energy.

Front

What is the function of the circulatory system?

Back

The circulatory system is responsible for transporting blood, nutrients, gases, and waste products throughout the body.

Front

What are the main components of the circulatory system?

Back

The main components of the circulatory system include the heart, blood vessels (arteries, veins, and capillaries), and blood.

Front

What role do red blood cells play in the body?

Back

Red blood cells transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs.

Front

What is the primary function of the digestive system?

Back

The primary function of the digestive system is to break down food into nutrients that the body can use for energy, growth, and repair.

Front

How do the digestive and circulatory systems interact?

Back

The digestive system breaks down food into nutrients, which are then absorbed into the bloodstream by the circulatory system for distribution to the body's cells.