MALE REPRODUCTION MALE REPRODUCTIVE PHYSIOLOGY Testis - 2 compartments: interstitial tissue containing the Leydig cells that synthesize and secrete testosterone and the seminiferous tubules that produce spermatozoa and contain Sertoli cells Leydig cells and testosterone synthesis - Leydig cells mainly produce testosterone - T is a prohormone for synthesis of estradiol (vs. aromatase) and DHT (via. 5-alpha-reductase) - many effects of T are mediated via estradiol (esp in
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Associate Level Material Nutrition Worksheet By: Kathleen Potters In order to obtain optimal health‚ it is critical to eat a healthy and balanced diet. Becoming knowledgeable about how to evaluate the nutritional value of what you eat may greatly increase your ability to improve your health and wellness. In this two-part worksheet‚ you critique a recipe for nutritional value and respond to two short answer questions about nutrition. Completing this assignment is a step towards gaining the
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example of each. I went into flexion at the elbow and discussed that the agonist is the main muscle mover‚ the antagonist does the opposite‚ and the synergist is the helper. However‚ if you think about it‚ we kind of still came up with the same answer. You discussed flexion and extension and how they are opposites. That is what I wrote except I said that the agonist‚ or the main muscle‚ is used for flexion‚ while the antagonist is used for extension. You noted that these were opposites and so
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filament consists of Answer Selected Answer: D. myosin. Question 2 1 out of 1 points Which of the following structures is most like an exoskeleton? Answer Selected Answer: E. a suit of armor Question 3 1 out of 1 points Which of the following structures constitutes part of the axial skeleton? Answer Selected Answer: C. skull Question 4 1 out of 1 points Which of the following attaches the forelimbs to the axial skeleton in a human? Answer Selected Answer: E. shoulder
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Aging and Disability Worksheet Part I Identify 2 or 3 issues faced by the aging population. 1. Older adults experience unequal treatment in employment and may face prejudice and discrimination. (Racial and Ethnic Groups‚ Ch.17‚ pg.364.) 2. Membership in this disadvantaged group is involuntary. (Racial and Ethnic Groups‚ Ch.17‚ pg.395.) 3. Older adults share physical characteristics that distinguish them from younger people‚ and their cultural preferences and leisure-time activities often
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Home Group Leader Assignment: Physiology of Physical Activity Physical activity has been a part of societies for centuries. Activity has been incorporated into people’s daily lives in various forms such as sport‚ weightlifting‚ running‚ hiking‚ swimming and walking to name a few. Many perform physical activity for physical‚ emotional and mental well-being while others take part for leisurely fun. The physiology of how physical activity affects our bodies has been studied thoroughly. In the following
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(P1) Outline the functions of the main cell components Every individual possess billions of cells in their body but not only is the human body functional With cells but also contains tissues‚ organs and systems which is what the human body is made up of. The cell carries out vast numbers of chemical reactions which processes in order to make up the essence of life (Moonie N‚ Aldworth C‚ Billingham M & Talman H ‚2012). Cells are usually grouped together with other cells carrying out particular
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University of Phoenix Material BUGusa‚ Inc. Worksheet Use the scenarios in the Bugusa‚ Inc. link to answer the following questions. Scenario: WIRETIME‚ Inc.‚ Advertisement Has WIRETIME‚ Inc. committed any torts? If so‚ explain. WIRETIME has intentionally carried out a business associated tort most commonly known as Defamation. In this case all 4 factors of defamation are there. A defamatory declaration was made; it was displayed to a 3rd party‚ the declaration was very particular to one
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anatomy and physiology lab 1. What are some differences between Judy and Mariah that might make Judy more "at risk" for skin? cancer than Mariah?Judy had a pasty white skin. Therefore‚ her skin had less melanin than Mariah who had black hair and more melanin and are more protected against the uv rays of sun. 2. What observations did Judy make concerning her mole? Her mole changed shaped and turned bigger and its side were jagged. The middle was purplish-black and its edge were darker than
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FROG MUSCLE PHYSIOLOGY 2) What was the smallest voltage required to produce max contraction? What proportion of the muscle fibers in the muscle do you think were contracting to produce this maximal response? Muscle fibers act in response to isolated stimuli in an all or none fashion. However‚ a muscle organ‚ such as the gastrocnemius muscle‚ is composed of many individual muscle fibers. It is known that all of the fibers in a muscle do not have the same threshold and that a stimulus applied to
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