Digestion Flashcards
(9 cards)
Basal Metabolic Rate (BMR)
is the amount of energy your body uses at rest to keep vital functions going, like breathing, heartbeat, and maintaining body temperature.
Passive Transport:
Moves substances from high to low concentration without using energy (e.g., diffusion, osmosis).
Active Transport:
Moves substances from low to high concentration using energy
Nutrient
a substance that organisms need to survive, grow, and stay healthy
provide energy or help build and repair tissues in the body
Metabolic Rate
the speed at which your body uses energy to keep you alive and active
Hormone
chemical messenger made by glands in the body that travels through the blood to control
regulate body processes :
growth
mood
metabolism.
lacteal
tiny vessel inside the small intestine that absorbs fats from digested food and helps transport them into the bloodstream.
Concentration gradient
difference in the amount of a substance between two areas,
causes the substance to move from where there is more to where there is less.
Microvillus
tiny finger-like projection on the surface of some cells in the small intestine that increase surface area