ANATOMY & PHYSIOLOGY I & II

Physical and chemical changes or reactions that occur within the body are collectively known as
Physiology
Metabolism
Assimilation
Excretion
Which of the following lists best illustrates the idea of increasing levels of complexity?
Cells- tissues-organelles-organs- systems
Tissues-cells-organs-organelles-systems
Organs-organelles-systems-cells-tissues
Organelles-cells- tissues- organs- systems
Which of the following is not an example of a homeostatic mechanism?
Shivering when body temperature falls below normal limits
Pulling blankets over yourself when cold at night
Increasing heart rate and contraction force when blood pressure falls
Secreting insulin after a meal to decrease blood sugar concentration
Homeostasis is defined as the:
Ability of human beings to keep body weight within normal limits
Maintenance of a constant external temperature inside a room
Ingestion of enough food to keep hunger pains from developing
Tendency of the body to maintain a stable environment
How is oxygen used by living organisms?
It controls the amount of heat produced
Its a source of energy
It is used to release energy that is stored in food
It is part of water and is necessary to keep organisms hydrated
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