Cells Flashcards
What is physiology?
Physiology is the study of functions of the body or how the body works.
What are the factors of the internal environment that must be maintained?
Concentration of the nutrient molecules
Concentration of oxygen and carbon dioxide
Concentration of waste products
PH
Concentration of water salt other electrolytes
Temperature
Volume and Pressure
Notice That disruptions in homeostasis can lead to illness and death
Negative feedback?
The output of the system that is controlled to resist the initial change so that the activity of the system is maintained at an relatively steady level.
Positive feedback?
The Output is continually enhanced so that the controlled variable continues to be moved in the same direction of the initial change. it or cars less frequently in the body
Give five examples of positive feedback?
Defecation Child birth Hemoglutination micturition Ejaculation
Which of the following process is not belong to positive feedback?
Baroreceptor reflex
Which controlling process is the major one to maintain the homeostasis?
Negative feedback