Unit 7 Vocabulary
Health
Chapter 6 Vocabulary
Lesson 1:
Hygiene – actions you take to improve or maintain your health
Plaque – a soft, colorless, sticky film containing bacteria that grows on your teeth
Flouride – a substance that fights tooth decay
Epidermis – the thinner outer layer of skin
Dermis – the thicker inner layer of skin
Sunscreen – a cream or lotion that filters out some UV rays
Acne – a skin condition caused by overly active oil glands
Dandruff – flaking of the outer layer of dead skin cells
Cuticle – a nonliving band of outer skin
Lesson 2:
Farsigntedness – the ability to see objects at a distance while close objects look blurry
Nearsightedness– the ability to see objects that are close while distant objects look blurry
Astigmatism – misshaped cornea or lens causes objects to look wavy or blurred
Lesson 3:
Consumer – someone who buys products or services
Guarantee – a promise to refund your money if the product doesn’t work as claimed
Unit price – cost per unit of weight or volume
Coupons – slips of paper that save you money on certain brands
Generic – products that imitate name-brand products but are sold in plain packages
Fraud – deliberately try to trick consumers into buying a product or service
Lesson 4:
Medicines – drugs used to treat, cure, or prevent diseases or other medical conditions
Prescription medicines – medicine sold only with a written order from a doctor
Over-the-counter medicines (OTC) – medicines available without a written order from a doctor
Vaccines – medicines that protect you from getting certain diseases
Antibiotics – kill or stop the growth of bacteria and other specific germs
Side effect – any reaction to a medicine other than the one intended
Tolerance – a need for increasing amounts of a substance to achieve the same effect
Drug misuse – taking medicine in a way that is not intended
Lesson 5:
Health care – any services provided to individuals or communities that promote, maintain or
restore health
Specialist – a doctor trained to handle particular health problems
Voluntary health agencies – organizations that work to treat and eliminate certain diseases
Health insurance – an insurance policy that covers must health-care costs
Managed care – a health insurance plan that saves money by limiting people’s choices of
doctors
Chapter 11
Lesson 1:
Diseases – conditions that affects the proper functioning of the body or mind
Communicable diseases – diseases that can be spread
Noncommunicable diseases – diseases that do not spread
Pathogen – a microscopic organism that causes communicable diseases
Viruses – tiny, nonliving particles that invade and take over healthy cells
Bacteria – extremely small single-celled organisms with no cell nucleus
Protozoa – single-celled organisms that have a nucleus
Fungi – primitive single- or many-celled organisms that cannot make their own food
Lesson 2:
Contagious – you can spread the virus to others by direct or indirect contact
Infection – the result of pathogens or germs, invading the body, multiplying, and harming some
of your body’s cells
Immune system – a group of cells, tissues, and organs that fight disease
Lymphocyte – a white blood cell that attacks pathogens
Immunity – resistance to infection
Vaccine – a dead or weakened pathogen introduced into your body
Lesson 3:
Sexually transmitted diseases (STDs) – communicable diseases spread from one person to
another through sexual activity
HIV – the virus that causes AIDS
AIDS – acquired immunodeficiency syndrome; a condition characterized by life-ending
infections and a T-cell count under 200
Abstinence – not participating in health-risk behaviors
Lesson 4:
Chronic – long lasting
Cancer – a disease caused by abnormal cells that grow out of control
Tumor – a mass of abnormal cells
Allergy – the body’s sensitivity to certain substances
Asthma – a chronic disease in which the airways become irritated and swollen
Diabetes - a disease that prevents the body from using sugars and starches in food for energy
Insulin – a hormone produced by the pancreas