QUIZ 2.1 Flashcards
Nutrients required in large amounts,
including carbohydrates, proteins, and
fats, which provide energy and are
essential for growth and bodily
functions.
MACRONUTRIENTS
Nutrients needed in small amounts, like
vitamins and minerals, essential for
specific bodily functions and disease
prevention.
MICRONUTRIENTS
The process by which the body converts
food into energy and builds or repairs
tissues.
METABOLISM
A stored form of glucose found mainly in
the liver and muscles, used as a quick
energy source when needed.
GLYCOGEN
A soft mass of chewed food mixed with
saliva, formed in the mouth before
swallowing.
BOLUS
Involuntary muscle contractions that move
food along the digestive tract, from the
esophagus to the intestines.
PERISTALSIS
A flap of tissue that covers the windpipe
during swallowing to prevent food from
entering the respiratory system.
EPIGLOTTIS
Small lymphatic vessels within the villi of
the small intestine that absorb dietary fats
and transport them into the bloodstream.
LACTEALS
Tiny hair-like projections on the surface of
villi that further increase surface area for
nutrient absorption in the small intestine.
MICROVILLI
A thick, semi-liquid mixture of partially
digested food and digestive juices formed
in the stomach and passed into the small
intestine.
CHYME
The final section of the small intestine,
responsible for absorbing vitamin B12, bile
salts, and any remaining nutrients.
ILEUM
A part of metabolism where the body
builds up cells and tissues, using energy
and nutrients to grow and repair.
ANABOLISM
The process of breaking down large
molecules in food into smaller molecules to
release energy.
CATABOLISM
A group of naturally occurring molecules
that include fats and oils, which are used
as an energy source and for storing energy
in the body.
LIPIDS
Compounds produced by the liver when
fats are broken down for energy, often
used by the body during times of low
carbohydrate intake
KETONES
A yellow compound that results from the
breakdown of red blood cells, processed by
the liver, and excreted in bile.
BILIRUBIN