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How is oxygen transported in the blood?
Dissolved in n plasma
Attached to red blood cells
Inside white blood cells
Attached to platelets
How many essential nutrients (excluding fibre) do we find in our healthy diet?
3
6
10
12
Which nutrient cannot be digested in the human body
Fibre/roughage
Fats
Proteins
Carbohydrates
A balanced diet is one that contains
Few fats
No fats
An equal amount of carbohydrates and protein
All the major nutrients in correct amounts, fibre and water
Yeast are important in bread production because
They make the bread soft
They use sugar in the bread making carbon dioxide and help the dough to rise
They pasteurize the bread, killing harmful micro-organisms
What is the purpose of blood clotting
To use up excess platelets in the blood plasma
To form new skin cells
To stop loss of blood and trap micro-organisms
Antibodies are
Medicine taken in when we are sick
Chemicals released by white blood cells to attack microbes
A type of white blood cells
Another name for platelets
Which of the following is a way to get immunity against a disease:
Drink oranges
Drink a glass of milk daily
Be vaccinated
Staying outdoors
A vaccine is usually
An inactive form of the microbe/pathogen
An inactive form of the disease
A solution of salt and water
Who needs more energy each day?
Teenagers
Babies
Pregnant woman
Athlete