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Bio Unit 4 Sec 1 #1

Bio Unit 4 Sec 1 #1: Lecture 30 Homeostasis and Tissues

QuestionAnswer
Maintaining constant internal body conditions using negative feedback mechanisms Homeostasis
The fluid around cells that must maintain constant conditions for the cells to function properly Interstitial
Variation from constant conditions in the internal body will cause cells to _______ and the body to respond to _____ the conditions back to the desired set point Malfunction; Return
Negative feedback in homeostasis has a ______ that detects _______ in the body or environment Sensor; Change
In Homeostasis, the ______ receives and integrates information from the sensor and sends signals to the effector Control Center
In Homeostasis, when activated by the control center, the _____ creates change in the body to maintain homeostasis Effector
The effector _______ conditions back to the set point Returns
Conditions that need to be maintained so your cells function properly include: _______, pH, and _______ Temperature; Osmolarity
The ______ is the control center in homeostasis Brain
Osmolarity is the total concentration of ______ Solutes
Our natural pH should be near _____ 7
Normal body temperature of _____ must be maintained for homeostasis 98.6
When our body temp goes too low, blood vessels _______ (narrow) to conserved heat near the core of the body and away from the ______ and cold environmental temperatures Constrict; skin
When our body temp goes to high, blood vessels ______ (widen) so more blood is sent near the skins and it ______ off Dilates; Cools
The involuntary contraction of muscles that generates heat and warms the body when it is cold Shivering
Goosebumps are also knowns as ______ Piloerection
Created by: scarangelo
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