Wednesday 21 September 2011

7TH GRADE SCIENCE HW HELP!?

Em, this should probably be easy but my butts a little lazy. (and my hands, and my feet, and my brain..and my tummy) So ya, here are the questions. They're all about eyes 0.o

1. Why dont sheep have the same amount of muscles for the movement of their eyes?

2.What is the function of the aqueous humor?

3.Why do sheep have a tapetum and humans dont?

4.Why is the lens of the eye flexible?

5.Describe how the lens changes your vision

6.How does your vision change if you look through a sheep cornea? Why does the cornea and lens have to be transparent?
7TH GRADE SCIENCE HW HELP!?
1. i dont know

2. Aqueous humour Is an opaque, fibrous, protective outer structure. It is soft connective tissue, and the

spherical shape of the eye is maintained by tattachment surfaces for eye muscles.

3. i dont know (why sheeps? you should like have been given a worksheet or something about sheeps)

4. Its function is to focus incoming light rays

onto the retina using its refractive properties.

5. By refracting the light into the retina.

6. sheep again. lol