n. the food that a person usually eats
I intend to have a healthier diet by eating more fruit.

n. parts of a cell in a living thing that controls what it looks like
Hair color and eye color are determined by genes.

v. to push air out of your lungs with a short, loud sound, sometimes when you are sick
I coughed all last night and couldn't get any sleep.

n. (deoxyribonucleic acid) a substance that carries genetic information in the cells of the body
Identical twins look the same. They have the same DNA.

n. an area of activity that one is involved in as part of their work
What field of law do you want to study?

n. the state that something is in
Do you wonder how some animals can survive in extreme conditions?

n. a combination of health problems relating to the mind or body
After studying the patient, the doctors decided that he had all of the symptoms of the syndrome.

n. a disease of the body or mind
Mike couldn't go to work for over a week because of his illness.

n. a chest disease that causes difficulties in breathing
Peter could not run very far because he had asthma.

n. a thing or situation that influences a result
Shoes are a very important factor in relieving some of this stress, especially for athletes.