Plant Life
The Human Body
Disease & Defense
Habits, Health & Choices
Farming, Quality & Production
200

The small part of a plant that can grow into a new plant.

Seed

200

The red liquid that carries oxygen and nutrients through the body.

Blood

200

A tiny infectious agent that replicates only inside the living cells of an organism.

Virus

200

The condition of being unable to stop doing something harmful.

Addiction

200

A plant grown in large amounts by farmers for food or other uses.

Crop

300

A sweet liquid produced by flowers to attract bees.

Nectar

300

The rhythmic expansion of an artery caused by the beating of the heart.

Pulse

300

A mild viral infection of the nose and throat causing sneezing, coughing, and a sore throat.

Common cold

300

To suggest something as good or suitable for a particular purpose.

Recommend

300

How good or bad something is; a characteristic of something.

Quality

400

The process of changing sunlight into food for a plant.

Turn...into

400

A blood vessel that carries blood back toward the heart.

Vein

400

Microscopic single-celled organisms found everywhere, some of which can cause disease.

Bacteria

400

A substance used to treat illness or, if misused, can cause addiction and harm.

Drug

400

To make, grow, or create something.

Produce

600

A flat, green part of a plant that makes food through sunlight.

Leaf

600

The smallest type of blood vessel, connecting arteries and veins.

Capillary

600

Resistant to a particular infection because of specific antibodies.

Immune

600

Working well without wasting time, energy, or materials.

Efficient

600

A number of different types of things; the quality of being diverse.

Variety

800

A fine, powdery substance from flowers that fertilizes other plants of the same type.

Pollen

800

The large airway that leads from the larynx to the bronchi, also called the windpipe.

Trachea

800

To cause a person or part of the body to lose the ability to move or feel.

Paralyze

800

To reduce the amount or frequency of using or doing something.

Cut down on

800

A person or company that makes goods for sale.

Manufacturer