B2 Flashcards
(41 cards)
What is disease of the heart or blood vessels referred to as?
Cardiovascular disease
Coronary heart disease is an example of what?
Cardiovascular disewse
The coronary artery of someone with coronary heart disease has what?- that restricts blood flow, causing a lack of oxygen to the heart?
Fatty deposits (block the artery)
Statins are a treatment for Cardiovascular Disease as they reduce the amount of what in the blood?
Cholesterol
Statins have the disadvantage in treatment as they need to be taken how often and can have what?
Long term and can have negative side effects
Stents are a treatment for Cardiovascular Disease as they
Keep the coronary arteries what for long?
Open for long
In putting a stent in the coronary artery (a tube) , the recovery time is what?
Quick
A heart transplant is a treatment for cardiovascular disease as it can treat what and will work better than what?
Can treat heat failure
And will work better than artificial heart
Artificial hearts are a treatment for Cardiovascular Disease ss they can be used while waiting for a what?
Donor heart
Replacing heart valves are a treatment for Cardiovascular Disease as they can treat what?
Severe valve damage
Stents, heart transplants (donor) ,artificial hearts and valve replacements all have the same disadvantages for surgery that risks:
Bleeding and infection
A disadvantage of donor hearts or valves is that they can be what by the immune system?
Rejected
3 things that can affect health:
•Diet
•Stress
•Life situation
What are the two types of diseases?
Communicable and non communicable
Which type of disease is the one that can spread between people?
Communicabke
What are the 5 risk factors for non communicable diseases?
•Exercise/ diet
•Obesity
•Alcohol
•Smoking
(•exposure to ionising radiation)
Benign tumours are with a what?
Capsule
Are benign tumours typically cancerous?
No
The two types of tumours are benign and what?
Malignant
Within the plant tissue, the epidermal tissue is covered with a waxy cuticle to reduce what?
Water loss
Within plant tissues, there is two types of mesophyll: called what?
Palisade and spongy
The spongy mesophyll tissue is at the bottom and has what which allows for gas diffusion?
Air spaces
The palisade mesophyll tissue is where most what happens, meaning there is lots of chloroplast?
Photosynthesis
Within the two mesophyll tissues is the xylem and what?
Phloem