Phys Ch 1

Physiology

the science of body function
Cell

Smallest living unit
4 types of tissue

epithelial, connective, muscle, nervous
homeostasis

the ability to maintain a relatively constant internal environment
Conditions of the internal environment which are regulated include:
- temperature
- volume and pressure
- composition of fluids (water, electrolytes)
- pH
- oxygen and carbon monoxide (O2 & CO2)
- nutrients
- waste products
regulated variable

the aspect which is maintained
negative feedback
- If a regulated variable decreases, system responds to make it increase, and vice versa
- tends to be self correcting

Author

CrysAM

233383

Card Set

Phys Ch 1

Description

physiology chapter 1

Updated

2013-09-07T19:22:52Z

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