A ________ is a group of 2 or more organs working together to keep an organism alive.

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

The ________ system works with the skeletal system to help you move and provides shape and warmth.

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

The _______ system includes the skin, hair, and nails. It is the body's first line of defense, absorbs vitamin D, excretes sweat.

This system controls the body using the brain, spinal cord, and nerves.

The ________ system is made of glands that secrete hormones into the blood to maintain homeostasis (balance)

The ______ system removes the body's wastes through the kidneys (cell wastes), digestive (feces), respiratory (CO2), and integumentary (salts/sweat)

What type of reproduction occurs when an organism makes an identical copy of itself?

What type of reproduction occurs when when two parents combine genetic information to make an unique organism.

Which of the following is NOT a characteristic of living things?

True or False. A plant is an example of a living thing.

True or False. A crystal is an example of a living thing.