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Lauren Uniack, left, and Jane Gwerder at the UC Davis Vet School at the California State Fair.
4-H members attended the state fair vet school
Tuesday, September 22, 2009 7:55 AM PDT
Jane Gwerder and Lauren Unaick
On Aug. 29, we, Lauren Uniack and Jane Gwerder, attended the 2009 California State Fair, Vet School, put on by U.C. Davis Veterinary School.
As 4-Hers, we had the opportunity to learn about blood, look in microscopes at cow blood cells, dissect sheep eyeballs and dissect a sheep heart.Â
There were many U.C. Davis Vet school students helping all the 4-Hers with the hands on activities.
Looking at blood through the microscope was really interesting. We learned about how bloods function is to transport oxygen through the body. They also discussed how blood cells developed in the bone marrow.
We also learned about platelets, and how they help you clot. In the future, we are hoping to learn more about how to find white and red blood cells, and to be able to find the parts of the cells.
We were surprised to learn some of the things we learned about sheep eyeballs. When we dissected the eyeball we found all the parts of the eye, and the part we liked most was the lens.Â
We found out that we actually see upside down all the time and then our brain flips it. The teachers taught us how animals can see better at night because they have a reflective lining called a tapetum.
This is why dogs seem to have a reflective color. We also learned how to tell which eye is our dominant eye, by making a circle with your hand, and focusing on an object with both eyes.
You close one eye, and see if the object that you focused on is in the circle. If it moved try this with the other eye. The eye that is still focused is the dominant eye. We found the eye to be interesting to dissect because there are so many parts.
The sheep heart fits in our two hands.
We found the aorta, the atriums and ventricles. We actually got to stick our fingers through the chambers and feel the valves, to find the way the blood flows. The left atrium of the heart was hard to cut because the muscle was thick.
The right side of the heart was hollow and the muscle was smooth.
Next year, we hope that we can see more about how the heart works with the lungs. Maybe someday we can see a heart actually pumping.
We would like to thank U.C. Davis , the students from U.C. Davis and the California State Fair for teaming up and giving us this opportunity of a lifetime. Next year, we would like to come back and see what they have in store for us.
Hopefully we will be able to dissect other animal parts and learn new things.
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