unit 2 - nutrition Flashcards
protein
a chemical compound that makes up foods and are used by the body to function and grow
3 common nutrients provide energy for the body
carbohydrates, protein, fat
the 6 common nutrients
- carbohydrates
- protein
- fat
- water
- vitamins
- minerals
- (fibre)
what are the 2 categories of vitamins and their differences and an example
- Fat soluble
- vitamin A, D, E, K
- fat soluble vitamin are stored in the body - Water soluble
- vitamin B group and Vitamin C
- water soluble stay in the body for a short period of time
two functions of protein
- helps your body grow, repair, and fight diseases
- provides energy when needed
3 examples of minerals + foods
potassium (bananas)
calcium (cheese
magnesium (nuts)
glucose
the body’s main source of energy
function of fibre and foods with this nutrient
promoted regular bowel movement and helps prevent constipation
beans, broccoli, berries
function of iron and what happens when we don’t have enough
iron helps carry oxygen in the blood. If we don’t have enough, anemia can develop
Difference between mechanical and chemical digestion process
mechanical - involved physical movements such as chewing and muscle contractions
chemical - digestion uses enzymes to break down food
how many amino acids are found in a complete protein?
9 essential amino acids
peristalsis
it looks like a ocean wave as it moves food through the Gastro-intestinal tract
what is the jejunum part of
small intestine
lingual lipase
the enzyme that is responsible for starting the digestion in the mouth
the first part of the digestive system is?
mouth
how long is the small intestine?
22 feet or 7 meters
this acid is produced by the liver and helps to dissolve fat
bile acids
a good source of vitamin A?
yellow and deep orange fruits and dark green veggies
4 fat soluble vitamins
vitamin A, D, E, K
how does folic acid help?
this vitamin helps prevent neural tube birth defects
good source of vitamin C
mainly citrus fruits, potatoes and tomatoes
which cholesterol is considered “good” and which cholesterol is considered “bad”
HDL (high-density lipoprotein) cholesterol is considered “good” because it absorbs cholesterol in the blood and carried it back to the liver. Then the liver flushes it out of your body
LDL (low-density lipoprotein) cholesterol is considered “bad” because it makes up most of your body’s cholesterol and high amounts can raise your risk for heart disease and stroke
which vitamin helps your body use calcium and phosphorus
vitamin D
3 functions of water
- dissolves many nutrients you consume
- carrie’s away waste (urine and feces)
- vital part of metabolism