A4 energy in the body Flashcards
types of energy
heat
electric
light
sound
chemical
Can energy be destroyed or created
No just changes form
What is energy used for in the human body
circulate blood
breathe
make new cells
movement
digest foods
define metabolism
chemical process that occurs within a living organism in order to maintain life
define catabolism
the breaking down of molecules into smaller unit releasing energy
define anabolism
the building up of complex molecules using energy release in catabolism
what form of energy can the body use
ATP
aerobic respiration
with oxygen
anaerobic respiration
without oxygen
chemical equation for aerobic respiration
glucose + oxygen = energy + carbon dioxide + water
chemical equation for anaerobic respiration
glucose = energy + lactic acid
why is lactic acid a problem
it’s toxic
blood and muscle can only tolerate a small amount
BMR
basal metabolic rate
Cells require energy for living processes.
Even when the body appears to be totally
inactive, energy is needed.
WHY-
Pump blood
Breathe
Digest food
