Metabolism Flashcards
Metabolism is the term to collectively refer to _ in order to keep it alive
Every chemical reaction that takes place in our body
Metabolism is closely linked to
Nutrition
Why metabolism is closely linked to nutrition
Food we eat provides energy require to fuel metabolism
On average, we use 10 percent of our energy intake on
Digestion
20 percent of our energy intake is spent on
Physical activity
70 percent of our energy intake is spent on _ to keep the body alive
Organs and tissue
Every process of our body uses energy, even _
Thinking
A person’s BMR is
Amount of calories needed to sustain life while they are sitting
BMR stands for
Basal metabolic rate
How our bodies metabolizes energy it consumes is played out in a balancing act between (2)
Fed
Fasted
Fed is the _ state
Absorptive
(Fed absorption) when body has absorbed more glucose from food than is needed by cells _
They stop absorbing it
Resulting increase of blood glucose levels from cells not absorbing triggers (fed absorption)
Release of insulin
Insulin stimulates liver and muscle cells to reverse _ that takes place during the fasting state (fed)
The conversion of glycogen into glucose
When cells stop absorbing glucose and insulin kicks in, instead of glycogen to glucose _ (fed absorption)
Glucose absorbed into bloodstream and converted into glycogen granules