Do You Hear What I Hear?

Select "Hearing" from the drop-down menu. Answer the questions below as you watch the movie. Remember, you can press the | | button located in the lower-left corner of the movie screen to pause the movie.

1. Why do you think our outer ear is shaped (more or less) like a funnel?
2. What are the 3 parts of the ear?
3. Briefly describe sound waves that are converted into neural impulses your brain can understand.
4. Why do you think the 2 small bones in the middle ear are named the "hammer" and "anvil"?
5. Do you think that hearing contributes to human survival? Explain.

Give Me Some Skin

Select "Skin" from the drop-down menu. Answer the questions below as you watch the movie. Remember, you can press the | | button located in the lower-left corner of the movie screen to pause the movie.

1. What are the 2 layers of the skin called?
2. What can the skin sense?
3. What is melanin?
4. What are freckles?
5. Do you think that the senses of pressure, pain, etc. contribute to human survival? Explain.

Why Do Some People Have Good Taste?

Select "Taste" from the drop-down menu. Answer the questions below as you watch the movie. Remember, you can press the | | button located in the lower-left corner of the movie screen to pause the movie.

1. How are food particles converted into chemical/electrical signals the brain can interpret?
2. Why is saliva important?
3. What do you think would happen to out sense of taste if we were "saliva Impaired"?
4. What are the 4 main tastes?
5. Why do babies dislike adult foods?
6. Why do you think Tim says that taste is the "best gift" evolution has given to us?

Why Your Nose Smells

Select "Smell" from the drop-down menu. Answer the questions below as you watch the movie. Remember, you can press the | | button located in the lower-left corner of the movie screen to pause the movie. Briefly describe how air-born particles are converted into signals our brain can understand.

1. According to the movie, is the human sense of smell acute (sensitive)?
2. How does human sense of smell compare to that of other animals? Explain.
3. Do you think that the sense of smell contributes to human survival? Explain.