3. Resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells.
5. An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.
9. A physical or mental feature which is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient.
12. Physical activity that is planned, structured, and repetitive for the purpose of conditioning the body.
16. The process of providing or obtaining the food necessary for health and growth.
17. Either of two units of heat energy.
18. Any of a group of organic compounds which are essential for normal growth and nutrition.
20. A return to a normal state of health, mind, or strength.
21. The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
22. Medical care given to a patient for an illness or injury.
23. An institution providing medical and surgical treatment and nursing care for sick or injured people.
24. The condition of being physically fit and healthy.
25. In good health.
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1. Conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
2. The kinds of food that a person, animal, or community habitually eats.
4. 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.
6. An internal or external framework of bone, cartilage, or other rigid material embodying the body of an animal or plant.
7. A substance or preparation used in treating disease.
8. The internal organ in which the major part of the digestion of food occurs.
10. A person receiving or registered to receive medical treatment.
11. A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.
13. A disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury.
14. The branch of medicine that employs cutting and stitching to treat disorders.
15. A hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.
19. Each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed.