Science Assessment ~ Topics ~ Human Body Systems

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Topic: Human Body Systems

Below is a list of key ideas related to Human Body Systems. Select a key idea to see the sub-ideas, assessment items, results from our field testing, student misconceptions, and NGSS statements for that idea.

Oxygen, carbon dioxide, and molecules from food are carried to or from cells of the body by means of the circulatory system.

Most of the carbohydrates, fats, and proteins from the food humans eat must be broken down into smaller molecules before they can enter cells to be used for energy and building materials.

Lungs take in oxygen molecules and eliminate carbon dioxide molecules.

Oxygen, carbon dioxide, and molecules from food are carried to or from cells of the body by means of the circulatory system.
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Molecules from food are broken down into smaller molecules in the digestive tract and then enter the circulatory system by way of capillaries located in the lining of the digestive tract.

Most of the carbohydrates, fats, and proteins from the food humans eat must be broken down into smaller molecules before they can enter cells to be used for energy and building materials.
-and-
Molecules from food are broken down into smaller molecules in the digestive tract and then enter the circulatory system by way of capillaries located in the lining of the digestive tract.

Oxygen, carbon dioxide, and molecules from food are carried to or from cells of the body by means of the circulatory system.
-and-
Molecules from food are broken down into smaller molecules in the digestive tract and then enter the circulatory system by way of capillaries located in the lining of the digestive tract.
-and-
Lungs take in oxygen molecules and eliminate carbon dioxide molecules.