Human Body Organs & Systems

The system that brings oxygen, nutrients, and other chemicals to cells; while also removing wastes from cells.

• Circulatory System

• Digestive System

• Excretory System

• Respiratory System

A collection of cardiac muscle that pumps blood to the lungs and other parts of the body.

• Arteries

• Capillaries

• Heart

• Veins

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Large vessels (pathways) that carry blood with oxygen in it away from the heart to tissues (and cells) found throughout the body.

• Arteries

• Capillaries

• Heart

• Veins

Large vessels (pathways) that return blood with carbon dioxide in it to the heart from tissues (and cells) found throughout the body.

• Arteries

• Capillaries

• Heart

• Veins

The smallest vessels (pathways) that are so narrow that blood cells must pass through in single file.

• Arteries

• Capillaries

• Heart

• Veins

These blood cells look like small discs and carry oxygen to tissues (and cells) in the body.

• Platelets

• Red Blood Cells

• White Blood Cells

Tags

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These blood cells are larger than other blood cells and fight diseases (illness).

• Platelets

• Red Blood Cells

• White Blood Cells

Tags

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These are fragments of cells that control blood clotting.

• Platelets

• Red Blood Cells

• White Blood Cells

The system that converts (changes) food into simple nutrients that the cells of the body need to complete cellular respiration.

• Circulatory System

• Digestive System

• Excretory System

• Respiratory System

Tags

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The tube that connects the mouth to the stomach. It is made up of smooth muscle that pushes the food down into the stomach.

• Esophagus

• Large Intestine

• Small Intestine

• Stomach