Cells, Tissues, and Organs

Front

Ciliated epithelium

Back

The tissue that lines the tubes leading down to our lungs.

Front

Onion epidermis

Back

The tissue that covers the surface of the layers inside the onion.

Front

Tissue

Back

A group of similar cells that work together to carry out a particular function.

Front

Organ

Back

A structure made of many different tissues.

Front

Organ system

Back

A group of organs that carry out a particular function.

Front

Organism

Back

A living thing that may contain many different organ systems, organs, and tissues.

Front

Upper epidermis

Back

The outer layer of cells in a leaf.

Front

Lower epidermis

Back

The inner layer of cells in a leaf.

Front

Palisade layer

Back

The layer of cells in a leaf where photosynthesis occurs.

Front

Spongy layer

Back

The layer of cells in a leaf that allows for gas exchange.