Shared Flashcard Set

Details

Standard grade science general heath
General -Most of LOs except for diagrams
30
Science
9th Grade
04/05/2011

Additional Science Flashcards

 


 

Cards

Term
What happens in the lungs?
Definition
Oxygen goes in the blood and carbon dioxide goes out of the blood
Term
What are the harmful substances contained in tobacco?
Definition
Tar, nicotine and carbon monoxide
Term
How can the lungs be polluted?
Definition
Car exhaust fumes, industrial waste gases and solvent abuse
Term
What diseases are caused by smoking?
Definition
Bronchitis, lung cancer and heart disease
Term
What is carried by blood?
Definition
Food, heat and oxygen
Term
How does blood helps to defend the body?
Definition
White blood cells destroy bacteria
Term
How do white blood cells destroy bacteria?
Definition
Engulf and digest them or produce antibodies
Term
Which factors increase risks of heart disease?
Definition
Smoking, poor diet, worry and inherited factors
Term
What are the three different types of blood vessels?
Definition
Arteries, capillaries and veins
Term
What does the heart do?
Definition
Pumps the blood around the body
Term
What happens to pulse rate when you exercise?
Definition
Increase, i.e. the heart beats faster
Term
What is recovery time?
Definition
The time is takes for your heart beat and breathing rate to back to normal after exercising
Term
What is the pulse rate?
Definition
It is a measure of the rate at which the heart beats.
Term
How do harmful substances like nicotine and carbon monoxide get in the body?
Definition
They are breathed into the lungs and then pass in the blood.
Term
What is found in the blood?
Definition
Plasma, white cells, red cells and platelets
Term
What happens when the diaphragm contracts, i.e. pulls the lungs down?
Definition
Air is drawn inside the lungs
Term
What happens when the diaphragm relaxes, i.e. moves up?
Definition
Air is breathed out of the lungs
Term
What happens to blood circulation when the heart beats faster?
Definition
The blood flows faster
Term
What is normal body temperature?
Definition
37
Term
What happens when you can warm up?
Definition
Get hypothermia
Term
What helps the body to get warmer?
Definition
Shivering
Term
What helps the body to get cooler?
Definition
Sweating
Term
What is found in a balanced diet?
Definition
milk/yogurt/cheese + bread/cereal + meat/fish + fruits/vegetable
Term
What is anorexia?
Definition
When people refuse to eat
Term
Give examples of 1 unit of alcohol
Definition
1/2 pint beer, small whisky, glass of wine
Term
What are the three aspects of fitness?
Definition
Strength, suppleness and stamina.
Term
What is strengh?
Definition
Ability to lift heavy objects with ease.
Term
What is stamina?
Definition
Being able to continue exercise without getting out of breath.
Term
What is suppleness?
Definition
Being able to bend the body in many ways without feeling stiff and sore.
Term
How does alcohol abuse affect society?
Definition
drink-related accidents, broken marriages, financial problems.
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