Aphrodisiacs

Explore the web site. Read the information and watch the video clips to answer the questions below. Go to the Homepage.

1. What are aphrodisiacs?
2. Go to the "Science" section. What hormone powers the sex drive in both men and women?
3. What is the brain's pleasure center?
4. Go to the "Food" section. What is the law of similarities? Is it true? Explain.
5. List arousing smells for men and women. Is chocolate an aphrodisiac? Explain.
6. Go to the "Pheromones" section. What are pheromones? How do pheromones act in animals? Is there a link between pheromones and sex drive in humans? Explain.
7. Go to the "Exercise" section. How does exercise affect the sex drive? Can Yoga affect the sex drive? Explain.
8. Go to the "Dysfunction" section. What usually causes erectile dysfunction?

Now that you've gone through the web site, do you believe that the real power of aphrodisiacs lies in the "power of suggestion" or in "self-fulfilling prophecy"? Explain.

What is Homeostasis?

Watch the animated movie and answer the questions below.

1. What is homeostasis?
2. How do warm-blooded animals regulate their body temperature? How about cold-blooded animals?
3. Provide one example from the clip of negative feedback.
4. Why do we run a fever when were sick?
5. Explain how homeostasis motivates us to behave in certain ways (e.g., when it is really cold or really warm).