Body systems

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

• cell

• tissue

• organ

• body system

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

• skeletal system

• muscular system

• digestive system

• respiratory system

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

• skeletal

• integumentary

• muscular

• digestive

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

• muscular

• digestive

• respiratory

• endocrine

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

• endocrine

• circulatory

• respiratory

• excretory

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

• endocrine

• excretory

• circulatory

• respiratory

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

• respiratory

• nervous

• Integumentary

• skeletal

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

• nervous system

• endocrine system

• excretory system

• digestive system

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

• excretory

• endocrine

• digestive

• circulatory

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

• excretory

• digestive

• respiratory

• circulatory