Human Body Systems

Front

What holds bones together to form joints?

Back

Ligaments

Front

Muscles inside many internal organs.

Back

Smooth

Front

Controls most functions in the body.

Back

Brain

Front

Lungs

Back

Where the exchange of gas occurs. Oxygen enters and carbon dioxide exits.

Front

Neurons

Back

Nerve cell specialized to transfer messages in the form of fast-moving electrical energy

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Front

Cartilage

Back

Connective tissue that is more flexible than bone

Front

Large dome-shaped muscle used in breathing

Back

Diaphragm

Front

Mucus and Cilia

Back

Trap and remove pathogens that enter the respiratory system

Front

Arteries

Back

Blood vessel that carries oxygen rich blood away from the heart and to the body parts.

Front

Muscular tube connecting the mouth to the stomach

Back

Esophagus