Year 7 Science-Term-1

Front

Cell

Back

The basic unit of life found in all living things.

Front

Tissue

Back

A group of similar cells that work together to perform a job.

Front

Organ

Back

A structure made of different tissues working together (e.g. brain, heart).

Front

Organ System

Back

A group of organs that work together to carry out a life function.

Front

Nucleus

Back

The control center of a cell that contains genetic material (DNA).

Front

Cytoplasm

Back

Jelly-like substance in a cell where chemical reactions happen.

Front

Cell membrane

Back

The thin layer that surrounds the cell and controls what goes in and out.

Front

Microscope

Back

A tool used to see very small things like cells.

Front

Diffusion

Back

The movement of particles from an area of high concentration to low concentration.

Front

Circulatory system

Back

The system that moves blood around the body.