1. Artery: Any of the muscular-walled tubes forming part of the circulation system by which blood is conveyed from the heart to all parts of the body.
Noun: A muscular spasm in the coronary artery can cause a heart attack.
2. Bone: Any of the pieces of hard whitish tissue making up the skeleton in humans and other vertebrates.
Noun: A good dog deserves a good bone.
3. Brain: An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.
Noun: We learnt about the structure of the brain today.
4. Cell: A small room in which a prisoner is locked up or in which a monk or nun sleeps.
Noun: DNA is stored in the nucleus of a cell.
5. DNA: Is the molecule that carries genetic information for the development and functioning of an organism.
Noun: DNA is stored in the nucleus of a cell.
6. Gene: Genetics is the study of heredity, the process in which a parent passes certain genes to their children.
Noun: The gene is passed on to their children.
7. Heart: The central or innermost part of something.
Noun: A light heart lives long.
8. Kidney: Each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, excreting urine.
Noun: Doctors removed the healthy kidney from the donor.
9. Liver: A large lobed glandular organ in the abdomen of vertebrates, involved in many metabolic processes.
Noun: Liver is an organic part of human body.
10. Lung: An open space in a town or city, where people can breathe fresher air.
Noun: He has terminal lung cancer.
11. Muscle: A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
Noun: Adrenalin was injected into the muscle.
12. Nerve: A person's steadiness, courage, and sense of purpose when facing a demanding situation.
Noun: I've trapped a nerve in my spine.
13. Skeleton: An internal or external framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant.
Noun: There is a skeleton in the cupboard.
14. Skin: Layer of resistant and flexible fabric that covers and protects the body of humans and animals.
Noun: The fox changes his skin but not his habit.
15. Spine: A series of vertebrae extending from the skull to the small of the back, enclosing the spinal cord and providing support for the thorax and abdomen; the backbone.
Noun: He broke his spine in a fall from a horse.
16. Stomach: The internal organ in which the major part of the digestion of food occurs, being (in humans and many mammals) a pear-shaped enlargement of the alimentary canal linking the esophagus to the small intestine.
Noun: The thief gave me a boot in my stomach.
