Necessary Life Functions Flashcards
The muscle cell’s ability to move by shortening
Contractility
The activities promoted by the muscular system
Movement
The ability to sense changes (stimuli) in the environment
Responsiveness/irritability
Breaking down indigested food into simple molecules that can then be absorbed into the blood
Digestion
Broad term that includes all chemical reactions that occur within body cells
Metabolism
Breakdown of larger molecules (complex–>simple)
Catabolism
Synthesis of larger molecules
Simple–>complex
Anabolism
Using nutrients and oxygen to produce ATP
Cellular respiration
Process of removing wastes from the body
Excretion
Other term for wastes
Excreta
Production of offspring, can occur on the cellular or organismal level
Reproduction
Increase in size; increase in number of cells
Growth
Body’s ability to maintain relatively stable internal conditions even though the outside world is continuously changing.
Homeostasis