1.1 what is cardiovascular disease? and how does circulation work?

SNAB edexcel A2 biology topic 1:

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  • Created by: _lauren
  • Created on: 01-01-15 18:41

1. collagen is ...

  • a tough fibrous protein found in both arteries and veins
  • a tough fibrous protein found only in arteries
  • a tough fibrous protein found only in veins
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Other questions in this quiz

2. what happens when there is a plaque in an artery?

  • blood flow speeds up and so pressure increase and the artery becomes more damaged
  • the artery becomes narrower and positive feedback builds up, causing raised blood pressure.
  • the artery narrows and blood flow slows down, decreasing blood pressure

3. what is the pain of the narrowing of coronary arteries called? (it limits the amount of oxygen-rich blood reaching the heart muscle)

  • angina
  • CVD
  • atherosclerosis
  • coronary heart disease

4. which is relaxation of the heart?

  • ventricular systole
  • diastole
  • atrial systole

5. What is the process of all particles and liquids being transported in one direction known as?

  • mass flow
  • one way transportation
  • single direction flow


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