1. Reproductive and Endocrine Systems

2. reproductive system
the organ system that enables humans and other animals to make more organisms like themselves

3. different
The reproductive system is different from the other systems because it is made up of ________ organs in males and females. Meaning: Male reproductive organs and female reproductive organs are not the same. Do males and females have different digestive organs? Skeletal systems? Nervous systems?

4. sperm
male sex cells

5. eggs
female sex cells

6. fertilization
when the sperm and the egg join together; required for sexual reproduction to take place

7. testes (singular—testis or testicle)
the main reproductive organs in males; where sperm is produced

8. hormone
a chemical made in one part of the body that affects the activities of cells in other parts of the body

9. blood
endocrine
• Hormones are carried through the body in the _________ .
They are produced by the _____ system.

10. hormone
chemical messengers that control body functions such as growth, development, and metabolism

11. ovaries
the main reproductive organs in females; where eggs are produced

12. zygote
a new cell formed when an egg cell is fertilized; how all multicellular organisms begin life

13. placenta
a fluid filled organ through which materials are exchanged between the mother and developing offspring (the embryo is connected to the placenta by the umbilical cord)

14. How does the fetus get oxygen and nutrients and get rid of wastes?

19. Birth of a killer whale
Katina gave birth to her 4th calf, Unna, on 12/27/96 at SeaWorld Florida.
Baby killer whale trying to imitate mother

20. endocrine system
regulates mood, growth and development, tissue function, and metabolism, as well as sexual function and reproductive processes

21. gland
a group of cells that produces and secretes, or gives off, chemicals

22. insulin
a hormone which helps glucose enter the cells of your body

23. hypothalamus
a collection of specialized cells that is located in the lower central part of the brain; the primary link between the endocrine and nervous systems

24. pituitary gland
a gland in the brain which produces growth hormones and endorphins; the "master gland" because it makes hormones that control several other endocrine glands

25. metabolism
everything that goes on in your body to keep it alive and growing and supplied with energy (i.e. breathing, digesting food)

26. thyroid
a gland in the neck which produces hormones that control the rate at which cells burn fuels from food to produce energy