body function. 3. To understand that heart and blood vessel functions are highly coordinated. 4. To comprehend that pressure differences provide the driving force that moves blood through the blood vessels. 5. To recognize that body tissues may differ in their blood demands at a given time. 6. To identify the most important factors in control of blood flow. 7. To comprehend that changing blood vessel diameter can alter the pumping ability of the heart. 8. To examine the effect of stroke volume
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Heart Disease Kayla Tusa Adelphi University Abstract This paper is aimed to view heart disease and show the effects that it can have on the person who has it. The points made in this paper will show what heart disease does to the body. It shows symptoms and treatments that are used with this disease. It mainly shows the facts about heart disease. The illness in my family that I feel poses the greatest threat to me is heart disease. Heart disease has been in my father’s family for a
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Good morning! Today I’m going to talk about artificial heart as one of the most significant invention in the history of humanity. An artificial heart is a device that replaces the heart. Artificial hearts are typically used to bridge the time to heart transplantation‚ or to permanently replace the heart in case heart transplantation is impossible. Since the late nineteenth century‚ scientists have tried to develop a mechanical device that could restore oxygen to the blood and remove
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SCIT 1407/BIOL 2401 Tissue Lab Practical 1 I. EPITHELIAL TISSUE: Only exists in three cell shapes – flat or squamous‚ cuboidal & columnar. This tissue covers or lines other tissues or produces tubes. Epithelial tissue always rests on a basement membrane. The characteristics are: lack of visible interstitial space‚ many cells‚ and no blood vessels. A. Simple Squamous: (kidney slide). Look in the outer edge or cortex of the kidney to find a Bowman’s capsule. The lining of the Bowman’s
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1/ What is the driving force in the diffusion? Randomness. As far as forces go i believe you can end up with a pressure if you have two different concentration on opposite sides of a membrane. Cells have been know to explode as a result of this effect. Wikipedia.org‚ "The World’s Encyclopedia" really says it best Search ’Molecular diffusion" "Molecular diffusion‚ often called simply diffusion‚ is a net transport of molecules from a region of higher concentration to one of lower concentration by
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Chapter 8 Joints Matching Questions Figure 8.1 Using Figure 8.1‚ match the following: 1) Periosteum. Answer: A Diff: 2 Page Ref: 251; Fig. 8.3 2) Articular cartilage. Answer: C Diff: 2 Page Ref: 251; Fig. 8.3 3) Joint (synovial) cavity. Answer: B Diff: 2 Page Ref: 251; Fig. 8.3 4) Synovial membrane. Answer: E Diff: 2 Page Ref: 251; Fig. 8.3 1 Copyright © 2010 Pearson Education‚ Inc. 5) Fibrous capsule. Answer: D Diff: 2 Page Ref: 251; Fig. 8.3 Figure 8.2 Using Figure 8.2‚ what type of axis does
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Taste and Smell Organs purpose Main function is to act as a barrier to protect the body from the outside world Type of receptor Olfactory “smell” receptors Smell the faculty or power of perceiving odors or scents by means of the organs in the nose olfactory cilia trap particulate matter the olfactory receptor cells detect the odor molecules then it travels down the olfactory tract to the olfactory bulb Electrical impulse sent to the olfactory bulb The olfactory bulb interprets impulse
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The Process of Lowering into a Squat The squat exercise is an excellent way to build strength in the lower body and the lower back. There are many variations of the squat such as the dumbbell squats‚ front squats‚ power squats‚ hack squats and the basic squat. During a proper squat‚ the subject’s feet should be parallel and their back should be straight‚ while going as deep as tolerated without the knees going past the toes. The movements that occur during the lowering portion of the squat are
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Clavicle ● Fractures of the clavicle (sternoclavicular joint & acromioclavicular joint) ○ Cleidocranial Dysostosis - abnormal development of bones in skull and collar (clavicle) area. The condition is passed down through families (inherited). ■ passed down through abnormal gene ■ symptoms ● clavicle may be missing completely or abnormal (pushes shoulders together in front of body) ● jaw and brow area that sticks out. The middle of their nose (nasal bridge) is wide. ● Primary teeth do not
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Puberty Puberty begins at age 8 to 10 for most girls in the United States. It is triggered by rising levels of GnRH‚ stimulates anterior lobe of pituitary to produce: FSH and LH. FSH stimulates developing ovarian follicles and they begin to secrete estrogen‚ progesterone‚ inhibin‚ and a small amount of androgen. Thelarche is the onset of breast development is the earliest noticeable sign of puberty. Pubarche is the appearance of pubic and axillary hair‚ sebaceous glands‚ and axillary glands. Menarche
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