FOOD Flashcards
why do we obtain raw materials?
for growth and maintenance
nutrients are the chemicals that in organism needs in order to what?
grow
build
repair tissues
make energy
What nutrients do we need to stay healthy?
carbohydrates
fats
proteins
water
minerals and vitamins
nutrients provide energy that fuels____?
all biological processes
how do humans obtain energy
by consuming plant and animal based food
What do cells use chemical energy for?
to fuel biological processes like growth and movement
why do endothermic animals need more energy?
To keep their bodies warm
(warm blooded)
In order to stay alive, your body performs different chemical
reactions → These are all known as ?
METABOLISM
what is metabolism made up of?
CATABOLISM & ANABOLISM
what is catabolism?
metabolic reactions that breaks down molecules
What is anabolism?
the building of larger molecules
What is metabolic rate?
our body converts stored energy into working energy
What are factors that affect metabolic rate?
body size
physical activity
sex
age
genetic
What is energy measured in?
JOULES (J)
What is basal metabolic rate ?
energy needed to stay alive
What are carbohydrates made up of ?
carbon
hydrogen
oxygen