Socm Study Guide Essay

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Chapter 1 ELO’s Describe the basic functions of living organisms. A. Responsiveness – organisms respond to changes in their immediate environment (long term changes is adaptability) B. Growth – over a lifetime, organisms grow larger through an increase in size or number of cells. Differentiation is when cells have specialized functions C. Reproduction – Organisms reproduce, creating subsequent generations of similar organisms D. Movement – Organisms are capable of movement a. Internal – moving food, blood, or other materials internally b. External – moving through environment E. Metabolism – Organisms rely on complex chemical reactions to provide the energy for responsiveness, growth, …show more content…

To survive every living organism must maintain homeostasis. Describe how positive (+) and negative (-) feedback are involved in homeostatic regulation * Negative feedback provides longterm regulatory control that results in relatively stable internal conditions * Positive feedback is important in driving a potentially dangerous or stressful process to completion. * Negative feedback opposes stimuli, positive feedback reinforces stimuli Use anatomical terms to describe body sections, body regions, and relative positions. Body regions- - Cephalon (head) - axillia (armpit) - Cervicis (neck) - Brachium (arm) - Thoracis (chest) - Ante Brachium (forearm) - Abdomen - Manus (hand) - Pelvis - Thigh - Loin (lower back) - leg (anterior) - Buttock - Calf - Pubis (anterior pelvis) - Pes (foot) - Groin Body sections- Transverse plane – cuts the body parallel to the ground as the person is standing. Positions are referred to as superior (top) or inferior (bottom). Frontal plane – or coronal plane, cuts the body length wise and is dividing it into a anterior (front) and posterior (back) section. Sagittal Plane – also cuts the body length wise, but divides it into a right and left half A cut the produces an equal left and right half is a midsagittal section *

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