body movement. Page 2. Goals • To compare and contrast smooth muscle cells‚ cardiac muscle cells‚ and skeletal muscle cells. • To review the anatomy of skeletal muscle. • To examine the connective tissue associated with the skeletal muscle. • To review the intracellular organization of the skeletal muscle cell. Page 3. Comparison of Skeletal‚ Cardiac and Smooth Muscle Cells Skeletal Muscle Cell: Cardiac Muscle: Smooth Muscle Cell: Elongated Cells Branching Cells Spindle-Shaped Cell
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Case Studies on Cardiac Function This is the first case study that is required for the class. Please submit a paper (doesn’t have to be long; you could even give me bullet-point answers to the questions listed below) that answers all of the questions posed after Case Study 1. I have included an easy second case study which‚ if you complete it‚ will be worth extra credit. Answers to the first Case Study are worth 25 points and responding to Case Study 1 is required work for the course. The extra
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Data Table 1 – Epithelial Tissue Observations TISSUE TYPE OBSERVATIONS Simple Squamous single layer‚ flattened cells Simple Cuboidal single layered‚ cube shaped cells Simple Columnar (stomach) single layered‚ elongated cells Simple Columnar (duodenum) long columns in “S” shapes Stratified Squamous (keratinized) many layers‚ top cells flattened Stratified Squamous (non-keratinized) flat long strands with nucleus Pseudostratified Ciliated Columnar cells together in a column
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Muscle System Human Biology The human body is covered by muscles‚ made up of more than 650 of them. The purpose of the muscular system is for the body to move‚ maintain posture‚ and produce heat. There are three different types of muscles tissues; cardiac‚ smooth‚ and skeletal. There are also two types of muscles are in the body; voluntary and involuntary. The ones which we can move are the voluntary muscles; the ones which move on their own‚ like the heart‚ are involuntary muscles. When muscles move
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P1 [pic] Cell membrane - encloses the contents of the cell and regulates the flow of substances into and out of the cell. Mitochondrion - this feature produces a substance called adenosine triphosphate (ATP) which is the carrier of energy in all cells. Centriole - these two features made of hollow tubules play a key role in cell division. Ribosomes - these small‚ granular features of the cell play a key role in the assembly of proteins. Chromosome - During cell division‚ DNA‚ the
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My novel The Day They Came To Arrest The Book’ was based upon racism in the late 70’s. An era which occurred before I existed. There are many movies and books depicting events from this time‚ some of which I have seen or read. I had always thought that my views on racism were somewhat close to the truth‚ after reading the novel I realized that I had been wrong. Therefore‚ this novel has altered my feelings and opinions which I had towards the treatment of the Negro race. Before I read this novel
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Action potential‚ impulse conduction (italics)‚ and cardiac cycle (bold) Pacemaker cells in the SA node‚ found in the wall of right atrium‚ begin as polarized‚ with Na+ on the outside of the cell (sarcolemma) and the cell at its resting potential (-80 mV in the atria‚ -90 mV in the ventricles). The atria are full or filling with blood. The SA (and technically the AV) nodal cells gradually drift towards their threshold after each repolarization and depolarize (the prepotential: spontaneous depolarization)
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ANIMAL HISTOLOGY LAB REPORT OBJECTIVES • To identify the structure of various types of animal tissues • To explain the organization of the tissues HYPOTHESIS • Various type of tissues can be identified their function by observing the shape and structure of the cells because different tissues have different functions. • The usage of higher magnification of objective lens produces a better image. INTRODUCTION Internal structure of animal is made up cells. Cells aggregate and forms tissue. Animal
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Name________________________ Date______________ Period____ Tissues Lab Directions: This lab is broken down into three sections: Epithelial Tissue‚ Connective Tissue‚ and Muscle & Nerve Tissue. For each section‚ read the background and answer any questions before you come to class‚ then in class sketch the specimens listed under each sketch circle. For your sketches‚ include the total magnification under which you viewed the specimen and be very detailed in your sketch. Epithelial Tissue
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the stimulating pulses to the heart. EXTERNAL PACEMAKERS: These are used when the heart block presents itself as an emergency and when it is expected to be present for a short time i.e during critical post operative periods and in patients during cardiac surgery‚ involving the valves or septum. * The pacemaker is placed outside the body. It may be in the form of wrist watch or in the pocket‚ from that one wire will go into the heart through the vein. * The electrodes are called endocardiac
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