Cow eye dissection pdf free

Perform cow eye dissection with hsts science project guide. In this experiment, students will dissect a cows eye to learn the anatomy of the eye, and compare and contrast a cows eye and a human eye. This cow eye dissection kit comes with everything you need to conduct a lab examination. Each area of the eye has an important role and must function properly in order. This video shows and explains a dissection with one of our staff explainers. Due to the fact that the eye has been preserved, the cornea is cloudy and bluish gray in color. Physiology home labpaq each labpaq comes complete with a full color lab manual on. Thats the vitreous humor, a mixture of protein and water. Its a clear lump about the size and shape of a squashed marble. This lesson plan describes the cow eye dissection in detail. The lesson includes educational videos, an interactive quiz, a student checklist, an interactive. We use powderfree latex gloves by default, however a box of onesizefits all polyethylene gloves. To learn about how your eyes work, you can dissect, or take apart, a cows eye. At the exploratorium, we dissect cow eyes to show people how an eye functions, and look at the parts that make up an eye.

The most noticeable part of the eye is the large mass of gray tissue that surrounds the posterior back of the eye and is attached to the. On the posterior side of the eye, nestled in the fat and muscle tissue, there is a noticeably round protuberance that feels stiffer than the surrounding tissue. The cow eye dissection lab what are the structures of the mammalian eye and how do they function. Cow eye clic k safety considerations age appropriate activity for the children in your care material safety data sheet msds available for accident reference poison control numberphone readily available latex free gloves, eye protection and apronlab coat eyewash station, shower and sink sharp instruments cut away from self. In this investigation, you identify the structures of a cow eye and learn their functions. The mammalian eye consists of many specialized cells and tissues that make up several different structures. One eye of choice for dissection, that closely resembles the human eye, is that of the sheep. This is the optic nerve, and it sends the images collected in the eye to the brain. Contains detailed instructions, images and an image for labeling the parts of the eye, such as the retina.

Dissection of the cow eye period prospect ridge academy. Learn how to dissect a cow s eye in your classroom. Instructions include an eye diagram, a glossary, and color photos for each step. To download this video and access free educational materials.

Cow eye dissection post lab questions free pdf file sharing. Explainer cow eye dissection i video 20 i exploratorium. A cow eye dissection lab that i use with my 4th and 5th grade students. Cow s eye dissection page 5 the back of the eye is. The exploratorium site demonstrates the process of a proper cows eye dissection. Begin the dissection by gathering the equipment and supplies listed here. Free response questions using the rubrics of 2001filename. Sign up for free membership to access the free downloadable handbooks.

Also, it is the attachment point of the muscles that allow the eye to move. Download stepbystep instructions pdf file for doing your own cows eye dissection. The structures have certain functions and together, they form images that are interpreted by the brain. Student lab guide for dissecting a cow or a sheep eye. To download this video and access free educational materials, please visit. Remove the lens by pulling it free from its attachments. Produced by project neuron at the university of illinois at urbanachampaign. Differences between the two eye types will be mentioned as the dissection is completed. Procedure cornea optic nerve fat muscle sclera cornea procedure continued on the next page.