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learning objectives

List of levels in the human structure from simplist to most complex. Chemical- atoms and molecules cellular- cells tissues- groups of simular cells organs- 2 or more types of tissue organ system- organs that work closely together organismal. (body)- all organ systems
Name the organ system of the human body and a function for each. 1)Integmentary- protection 2)Skeletal- support 3)muscluar- movement 4)nervous- fight/flight 5)endocrine- growth 6)cardovascular- transport 7)lymphatic- defends 8)respiatory- oxygenate 9)digestive- breaksdown 10)urinary- balance 11)reproductive-
Explain the role of blood in maintaining the internal enviornment distrubes O2 and nutrients to the body, waste to lungs and kidneys, regulates body temp, carries hormones around, maintains fluid volume, protects against blood loss, WBC for infection.
Define homeostasis. Maintains a stable internal enviornment, regardless of the outside enviornment
define the feedback mechanism. feedback automatically returns the body to a homeostatic balance
components of feedback 1) receptor (sensor) 40c 2) Afferent pathway 3) control centre (thermostat)comand to sweat 4) Efferent pathway 5) Effector (aircon) sweats temp falls 6) response (returns to homeostasis) 37c
Created by: 7nikki