science biology nutrient Flashcards
(35 cards)
Why are carbohydrates important?
provides energy that get turned into simple sugars when digested
Lipids job
source of energy, provides layer of insulation, and protects organs
protein job
Repair body tissue , make new cells, muscle organs and immune system are made up of proteins
Vitamin A job
good eyesight
vitamin D job
healthy teeth and bones
minerals job
keeping your bones, muscles, heart, and brain working properly
Water job
cells made up of water ,
fibre job
Carbohydrate micronutrient is important to pass out feces add bulk to food
How do you test for starch?
iodine solution , the food will turn dark blue black if it contains starch
How do you test for lipid?
Ethanol solution
How do you test for sugar?
benedict solution in food solution , heat tube
solution turns orange-red in food contains sugar
How do you test for protein?
copper sulfate solution , sodium hydroxide solution, food turns purple if contains proteins
how is the energy from food measured?
kilojoules
Why is it unhealthy to be unhealthy?
poor immune system , lack of energy , suffer from lack of vitamins and minerals
Why is it unhealthy to be overweight?
Heart disease stroke, diabetes and cancers
What are vitamin and mineral deficiencies?
cancer, diabetes, and heart disease
What is the digestive system?
digestion is a complicated process. It involves many organs working together. These organs pull the nutrients from what you eat and drink that your body needs. Keeping your digestive system healthy and working well supports your overall health.
What does the mouth do?
Food is chewed and mixed with saliva; teath breaks down the food into small cubes?
Gullet function?
Food is passed down this tube.
Small intestine function?
Only food that can be digested goes down this far. this organ absorbs nutrients
Rectum function?
Feces are stored here until they leave the body
Anus function?
to push the feces out
Villi function?
Tiny hair-like projections that line the inside of the small intestine. They contain blood vessels and help absorb nutrients
medicial drugs?
Medical drugs are used in medicine; they benefit your health and treat symptoms