Organ Systems Matching Worksheet

Undifferentiated cells that can divide to form specialized cells
Produces bile, which helps breakdown the fats in our food
Produces insulin to regulate the amount of sugar in our blood
A thin sheet of tightly packed cells that covers body surfaces and lines internal organs
Contains proteins that can contract and enable the body to move
Conducts electrical signals from one part of the body to another
A thick-walled blood vessel that carries blood away from the heart
A blood vessel that returns blood to the heart
Thin walled blood vessels that enable the exchange of gases, nutrients and waste between the blood and the body tissue
Are infection-fighting cells in the blood
Contain protein called hemoglobin, which allows them to transport oxygen throughout the body
Tiny sacs of air in the lungs that are surrounded by capillaries.
Are tough, elastic connective tissues that hold bones together at the joints
Proves strong, flexible, low-friction support for bones and other tissues
Consists of the brain and spinal cord
Carries signals between the brain and the body