The _____________ system, is a group of organs that work together to break down food.
digestive
In your digestive system, what pushes the food through the gut?
muscles - around the walls of the gut.
What does the body use the nutrient "Vitamins" for?
Keeping the body healthy, for vision, immune system function, healthy skin, blood clotting.
Which solution is used to test for sugar in food?
Benedict's solution
What does the body use the nutrient "Carbohydrates" for?
Providing energy
What are some of the health issues associated with being underweight?
Poor immune system, Lack of energy, tiredness, lack of vitamins and minerals
Carbohydrates can be broken down into...
sugar molecules
Name the part of the digestive system where bile and other enzymes are added to the food, and nutrient pass into the blood.
The small intestine.
What is the word used to describe not getting enough vitamins or minerals?
Deficiency, e.g. the patient has a vitamin A deficiency.
Proteins are a long chain of which type of molecule?
Amino Acids
Name the part of the digestive system where faeces is stored before it leaves the body.
Rectum
The walls of the small intestine are made up of tiny hair-like structures, what are they called.
Villi
Benedict's solution is blue, what colour does it turn if in the presence of sugar?
Brick red/orange
What does the body use the nutrient "Lipids" for?
Providing energy, protecting and insulating organs
What are the ways in which water is constantly lost from the body?
Exhaling, urine, faeces, sweat, tears.
Protease is an enzyme which breaks down...
Protein
Name the part of the digestive system where food is mixed with acid and enzymes.
Stomach
What does the body use the nutrient "Protein" for?
Growth and repair
Which vitamin deficiency can lead to a condition called "rickets" (where your bones become weak).
Vitamin D
Biuret solution is used to test for protein. What colour will it turn if protein is present?
Purple
Starch is a long chain of which type of molecule?
Sugar
A biological catalyst that breaks large molecules into small molecules is called...
An Enzyme
Which vitamin deficiency can lead to "night blindness" (difficulty seeing in dim light)?
Vitamin A
What does the body use the nutrient "Fibre" for?
Keeps food moving through the digestive system.
The walls of the small intestine have tiny hair-like structures. They increase the ___________ of the small intestine.
surface area
Lipids can be broken down into...
fatty acid and glycerol molecules
Protein can be broken down into...
Amino acids
What are some of the health issues with being overweight?
Heart disease, Heart attack, Stroke, Diabetes, Some cancers
After digestion, small molecules pass through the small intestine into the ___________
blood
What are the two types of carbohydrates?
Simple carbohydrates (sugars), Complex carbohydrates (starch)
What is the group name for oils and fats?
Lipids
Name the part of the digestive system where food is chewed and saliva is added.
Mouth
Iodine is used to test foods for which nutrient?
Carbohydrates (starch)
During digestion large molecules are broken down into ______________ molecules
small
Lipase is an enzyme which breaks down...
Lipids (fats and oils)
Carbohydrase is an enzyme which breaks down...
carbohydrates
Name the part of the digestive system where water is recovered from the undigested food.
Large intestine
What does the body use the nutrient "Minerals" for?
Teeth and bones, haemoglobin,
What colour is iodine, and what colour does it turn if in the presence of starch?
Orange - Blue/black