Health10-F H G

Front 1

food chain:

Back 1

n: the sequence in which living things depend on other living things for food. Algae are near the bottom and human beings at the top of the food chain.

Front 2

formaldehyde:

Back 2

: a substance related to alcohol. Formaldehyde is made by the body from alcohol and contributes to hangovers.

Front 3

fossil fuel:

Back 3

coal, oil, and natural gas, which all come from the fossilized remains of plant life of earlier times.

Front 4

foster family:

Back 4

a family formed when a government agency places a child in the temporary care of an adult or couple. The child's own parents may have died or for some reason cannot care for the child.

Front 5

foxglove:

Back 5

a plant that contains a substance used in the heart medicine digoxin

Front 6

fracture:

Back 6

a break in a bone. An open fracture is a break with a wound in the overlying tissues. A closed fracture is a break or crack with no visible wound.

Front 7

free radicals:

Back 7

: chemicals that harm the body's tissues by starting destruc­tive chain reactions in the molecules of the body's cells. Such reactions are believed to trigger or worsen some diseases.

Front 8

frequency

Back 8

the number of activity units per unit of time (for example, the number of exercise sessions per week).

Front 9

frostbite:

Back 9

the formation of ice crystals in body parts exposed to tempera­tures below freezing; freezing of body parts, especially toes and fingers, and nose and other face parts.

Front 10

fungi:

Back 10

living things that absorb and use nutrients of organisms they invade. Fungi that cause illnesses include yeasts and molds.

Front 11

gangs:

Back 11

peer groups that exist largely to express aggression against other groups.

Front 12

gateway

Back 12

a drug whose abuse is likely to lead to abuse of other, more potent and dangerous drugs. Alcohol, marijuana, and tobacco are most often named as gateway drugs.

Front 13

gender identity:

Back 13

that part of a person's self-image that is determined by the person's gender.

Front 14

gender roles

Back 14

roles assigned by society to people of each gender.

Front 15

gender

Back 15

the classification of being male or female.

Front 16

generic (jeh-NEHR-ick)

Back 16

the chemical names for drugs, as opposed to the brand names; the names everyone can use.

Front 17

genes (JEENZ

Back 17

the units of a cell's inheritance, which direct the making of equipment to do the cell's work.

Front 18

genetic counselor:

Back 18

: an advisor who predicts and advises on the likeli­hood that congenital defects will occur in a family.

Front 19

genetic engineering:

Back 19

a science of manipulating the genes of living things to instill some desirable trait not present in the original organism. An example is a tomato given a gene to delay its rotting.

Front 20

genital herpes (HER-peez):

Back 20

: a common, incurable sexually transmitted disease caused by a virus that produces blisters. The symptoms clear up on their own, but the virus remains to cause future outbreaks.

Front 21

genital warts:

Back 21

contagious wartlike growths on infected areas, caused by human papilloma viruses. Sometimes called condyloma (con-di-LOW-ma). The viruses that cause genital warts can also cause cervical cancer in women.

Front 22

ginseng (JIN-seng):

Back 22

a plant containing chemicals that have drug effects.

Front 23

ginseng abuse syndrome:

Back 23

a group of symptoms associated with the overuse of ginseng, including high blood pressure, insomnia, nervousness, confusion, and depression.

Front 24

gland:

Back 24

an organ of the body that secretes one or more hormones. global warming: warming of the planet, a trend that threatens life on earth.

Front 25

glucose:

Back 25

the body's blood sugar; a simple form of carbohydrate. glycogen: the form in which the liver and muscles store glucose

Front 26

gonorrhea (gon-oh-REE-uh):

Back 26

: a bacterial sexually transmitted disease that often advances without symptoms to spread though the body, causing problems in many organs.

Front 27

grams (abbreviated g):

Back 27

: units of weight in which many nutrients are mea­sured; 28 grams equals 1 ounce.

Front 28

greenhouse effect:

Back 28

the heat-trapping effect of the glass in a greenhouse. The same effect is caused by gases that are accumulating in the earth's outer atmosphere, which are trapping the sun's heat and warming the planet.

Front 29

grieve:

Back 29

to feel keen emotional pain and suffering over a loss.

Front 30

guilt:

Back 30

the normal feeling that arises from the conscience when a person acts against internal values ("I did a bad thing").

Front 31

gum disease:

Back 31

inflammation and degeneration of the pink tissue (gums) that is attached to the teeth and helps to hold them in place.

Front 32

gynecologist:

Back 32

: a specialist in the care of the female reproductive system.

Front 33

hallucinations:

Back 33

false perceptions; imagined sights, sounds, smells, or other feelings, sometimes brought on by drug abuse, sometimes by mental or physical illness.

Front 34

hallucinogens (hal-LOO-sin-oh-jens

Back 34

: drugs that cause visions and other sensory illusions.

Front 35

head lice:

Back 35

tiny, but visible, white parasitic insects that burrow into the skin or hairy body areas.

Front 36

head restraints:

Back 36

high seatbacks or other devices attached to seats in cars at head level. A head restraint prevents the person's head from snapping back too far when the body is thrown backward. This prevents neck and spinal cord injuries.

Front 37

health:

Back 37

a range of states with physical, mental, emotional, spiritual, and social components. At a minimum, health means freedom from physical disease, poor physical condition, social maladjustment, and other negative states. At a maximum, health means "wellness."

Front 38

health-care system:

Back 38

the total of all health-care providers and medical treat­ment facilities that work together to provide medical care to the population. health maintenance organization (HMO): a group of physicians who practice together and who treat people's health problems under a pre­payment plan.

Front 39

heart attack:

Back 39

the event in which vessels that feed the heart muscle become blocked, causing tissue death.

Front 40

heart disease:

Back 40

any disease of the heart muscle or other working parts of the heart.

Front 41

heart murmur:

Back 41

: a heart sound that reflects damaged or abnormal heart valves

Front 42

heart transplant:

Back 42

the surgical replacement of a diseased heart with a healthy one.