Unit 3 Vocabulary Quiz

The basic structure and function of all living things.

• inherited traits

• cell

• muscle

• nucleus

Another word for a living thing.

• cell membrane

• heart

• lung

• organism

The thin covering surrounding all cells.

• cell membrane

• skin

• bone

• tissue

A group of tissues that work together to perform a certain function.

• organ system

• cell

• tissue

• organ

The control center of a cell.

• cell

• nucleus

• inherited trait

• lungs

A characteristic passed from parent to offspring through DNA.

• inherited traits

• lungs

• bones

• organism

The organ that sends and receives messages from the body. It processes information.

• skin

• heart

• brain

• organ

The organ that protects us from bacteria and other environmental hazards. Largest organ.

• brain

• lungs

• bones

• skin

A group of cells that work together to perform a certain function.

• cells

• tissue

• organism

• nucleus

a group of organs that work together to perform a certain function.

• organism

• organ system

• tissue

• cell