Match each definition with the correct term below.
a. fetus
b. hormones
c. metabolism
d. genes
e. fertilization
f. puberty
g. body system
h, ovulation
i. tissue
j. reproduction
4. chemical substances produced in certain glands that help to regulate the way your body functions.
5. the joining of a male sperm cell and a female egg cell to form a fertilized egg
6. a group of organs that work together to carry out related tasks
7. a group of similar cells that do a particular job
8. the time when you develop physical characteristics of adults of your own gender
__9. the developing organism from the end of the eighth week until birth
___10. the process by which living organisms produce others of their own kind
11. the process by which the ovaries release mature eggs, usually one each cycle
12. the basic units of heredity
13. the process by which the body gets energy from food