Puberty & Adolescence

1. abstinence-

(sexual risk avoidance) not partaking in unsafe/risky behaviors, including sexual

activity

2. reproduction-

the process by which organisms produce new individuals of their own kind

3. reproductive system-

body organs and structures that make possible the production of

offspring

4. endocrine system-

a body system made of glands and organs throughout the body that regulate

body functions

5. gland-

a group of cells, or an organ, that produces a chemical substance called hormones

6. hormones-

chemicals, produced by glands, that control actions in your body

7. testes-

male reproductive glands; where sperm is produced and testosterone is made

8. testosterone-

male reproductive hormone; regulates male sexual development and helps produce

sperm

9. ovaries-

female reproductive glands; where eggs (ovum) are stored and estrogen & progesterone is

produced

10. progesterone-

female reproductive hormone; aids in build-up of uterine lining

11. estrogen-

female reproductive hormone; gives female gender characteristics and assist in

release of ovum

12.chromosomes-

thread-like structures that carry the codes for inherited traits (46 chromosomes

= 23 pairs)

13.gene-

the basic unit of heredity; determine hereditary traits (children inherit two genes for each

trait, one from each parent)

14.sperm (cell)-

the male reproductive cell

15.ovum (egg cell)-

the female reproductive cell

16.fertilization-

when the sperm and egg join to create a new life

17.embryo-

the name for the growing organism from a few days after fertilization to about the

eighth week

18.fetus-

the name for the developing child from about the ninth week until birth

19.STI/STD (sexually transmitted infection/sexually transmitted disease)-

infectious diseases

spread from person to person through sexual activity, the sharing of vaginal or seminal fluids or

blood, the sharing of infected drug, tattoo, or body piercing needles, or from pregnant mother to her baby