humanSensesHumanSystemsGroup2Final

humanSensesHumanSystemsGroup2Final - Introduction The Human...

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Introduction The Human Senses & Human Systems Laboratory deals with three aspects of the human body; including: visual sense, auditory sense, and cardiovascular system. Data will be reviewed to better understand the differences in light sources. Elements and processes of the eye upon receipt of an image will also be discussed in further detail. During the auditory portion of the lab, portions of the ear will be described, as well as describing the process of receiving sound. The third and final portion of the laboratory involves the cardiovascular system, and a model of the heart will be used in determining the major segments of the heat. Further discussion will include the cardiovascular process and what happens when a rapid increase in cardiovascular activity is required. Purpose The purpose of this lab is to be an assistive tool in understanding the eye, the ear and the cardiovascular system. This lab is to help students understand the facts and applications behind the inner workings of the eyes, ears and cardiovascular system. Methods This lab required several models and images to better understand the eye, ear and cardiovascular system.
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Analysis Part A Visual Sense Elements of the eye According to Center for Imaging Science http://www.pasadenaeye.com/faq/faq15/faq15_text.html Sclera The Sclera is the white of the eye. It is what attaches the eye to optic nerve and helps give and maintain the eyes shape. Cornea The cornea is the transparent part of the eye. It refracts the light and it is full of nerve fibers which make it sensitive to other objects. Anterior and Posterior Chambers Anterior chamber is located between the cornea and the iris while the posterior chamber between the iris and the lens. With the right pressure it will maintain the shape of the eye but if it increased in would result in glaucoma. Iris and pupil The pupil is considered the hole in which the light passes through that contracts and dilates to regulate light into the eye. The iris is the part that contains pigment and gives our eyes color. Lens The lens is made of proteins and water. It will not change shape after the age of 50 and it becomes more yellow as the human age. Vitreous Humor The vitreous humor fills the space between lens and retina and maintains the eye shape. Also, it allows light to pass through to the retina. Retina The retina is where the transduction happens. The photoreceptors are where the light is absorbed and transformed by the nervous system. There are two receptors: rods and cones. Fovea
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The fovea is located in the center behind the lens and it is responsible for sharp vision that is necessary for reading, driving and any other activities that require details.
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This note was uploaded on 04/03/2012 for the course EIN 4243C taught by Professor Andrzejczak during the Spring '12 term at University of Central Florida.

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humanSensesHumanSystemsGroup2Final - Introduction The Human...

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