Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Why is it important to eat carbohydrates as part of a balanced diet? |
They contain energy |
|
|
Name a health problem that eating too much salt can cause |
High blood pressure |
|
|
Give three possible effects of eating too little |
Slow growth, fatigue, irregular periods, poor resistance to infection |
|
|
Does exercising regularly increase or decrease your metabolic rate? |
Increase |
|
|
Why is having a high blood cholesterol a health risk? |
Can block arteries and put strain on your heart - heart disease |
|
|
Name one thing to look out for when evaluating a claim about a slimming product? |
Written by a qualified person, large enough sample, have there been other studies which support the results? |
|
|
What is a pathogen? |
A microorganism that enters the body and causes disease |
|
|
Explain how viruses replicate within your body |
It enters a cell and uses the cells machinery to make copies of itself, once there are plenty of them, the cell bursts and dies releasing the virus into your body |
|
|
What are antigens? |
Unique molecules on the surface of cells/pathogens/microorganisms |
|
|
What are antibiotics designed to do? |
Kill pathogens without harming your body cells |
|
|
Why are cultures of microorganisms grown at temperatures no higher than 25 degrees in school laboratories? |
To prevent the growth of harmful bacteria |
|
|
What is an epidemic? |
A big outbreak of disease |
|
|
What is a pandemic? |
When disease spreads all over the world |
|
|
What are the 5 sense organs in the human body? |
Eyes, ears, nose, tongue, skin |
|
|
What are the two different types of effector in the human body? |
Glands and muscles |
|
|
What is the name given to the connection between two nerve cells? |
Synapse |
|
|
What are hormones secreted by? |
Glands |
|
|
Give one difference to a nervous response and a hormonal response |
Nerves carry messages faster/ hormones act for a long time |
|
|
Describe what happens at Day 1 of the menstrual cycle |
The bleeding starts |
|
|
What is phototropism? |
The growth of a plant in response to light |
|
|
Name the plant hormone that controls phototropism |
Auxin |
|
|
List 4 things that need to be kept constant in the body |
Temperature, water, ions, blood sugar level |
|
|
Why is it important that human body temperature is kept at about 37 degrees? |
That is the optimal temperature for most cells in the body |
|
|
What is a drug? |
A substance that alters the chemical reactions in the body |
|
|
Why might a patient be subscribed statins? |
To lower their risk of heart and circulatory disease |
|
|
What is a placebo? Why are they used for drug tests? |
A placebo is something that looks like the real drug but doesn't do anything. Allows the doctor to see the actual difference the drug makes |
