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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I Search Paper Savannah Clark Michaella Tran On the topic of skeletal diseases‚ I have no prior knowledge. I am aware that a skeletal disease is a medical condition that affects the bones‚ but that is the extent of my knowledge. While completing research for this paper‚ I would like to become educated of all the skeletal diseases that exist‚ and their harmful effects to the body. I would like to gain knowledge of the deficiencies of the bones that these diseases create. The skeletal system
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Chapter 5 The skin is composed of two distinct regions‚ the epidermis and the dermis. These two areas are firmly attached to one another along a wavy borderline. The epidermis (epi = upon) composed of epithelial cells‚ and is the outermost protective shield of the body. Epidermis - Structurally‚ the epidermis is a thick keratinued stratified squamous epithelium consisting of four distinct cell types and five distinct layers. Cells of the Epidermis - Cells populating the epidermis include: keratinocytes
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Chapter 10- Muscle Tissue Choose the best answer to each of the following questions. 1) How does muscle tissue contribute to homeostasis? A) by generating heat that helps maintain body temperature B) by moving materials through the body C) by pulling on bones to move the body D) A and B are correct. E) A‚ B and C are correct. 2) The primary function of muscle is A) conversion of chemical energy into mechanical energy. B) conversion of chemical energy into radiant energy. C) conversion
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Research Proposal Project Topic and Hypothesis Our experiment is about how people in various countries react to two people in a physical fight. We chose this topic because we wanted to see if people would be willing to step in to stop a fight‚ even if it meant they may be injured. Also‚ we wanted to know if race had anything to do with a person’s willingness to step in‚ thus we are conducting the study in multiple countries. Along with this we want to see if the gender of the people fighting
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