Module Two Lesson One

Tissue Types

Epithelial Tissue

The Form/function Relationship: Since epithelial tissue is tightly packed together, it causes the skin to be water proof and form a protective barrier; this tissue also lines the insides of organs and the GI tract. The picture shows epithelial tissue found in the heart.
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Connective Tissue

The Form/Function Relationship: This tissue type is structure in a way that provides structural framework for the body and the form supports this because it is elongated tissue that is in fibers. It can easily connect bodily structures together. This photo shows collagen fibers found in the body.
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Muscular Tissue

The Form/Function Relationship: This tissue type is structured in a way that helps with movement because these tissues are designed to elongate and stretch if they are attached to the skeleton (skeletal muscle tissue). This tissue type can be either voluntary or involuntary. The photo below shows cardiac muscles in the heart which are involuntary.
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Nervous Tissue

The Form/Function Relationship: This tissue consists of neurons which are structured to conduct electrical impulses to send messages throughout the body that cause feeling and reactions to stimuli. The long elongated body is the axon which sends the impulse down the body of the nerve cell and the dendrite of the next cell receives the message. The axon terminals transmit the signals. The photo below shows a nerve cell in nervous tissue.
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Defending Muscular Tissue in the Heart

Muscular tissue is the best for its location in the heart because it functions to give the heart strength to pump blood to the rest of the body and without this particular type of muscle tissue in that location, there may be parts of the body that don't get the oxygen supply they need.

References for Images

Epithelial Tissue Picture: sites.google.com

Connective Tissue Picture: www.indiana.edu

Muscular Tissue Picture: www.pintrest.com

Nervous Tissue Picture: www.studyblue.com