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. the blood is supplied to the heart though two vessels called the...?

  • coronary arteries
  • the pulmonary arteries
  • the pulmonary veins
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Other questions in this quiz

2. what causes the pain of angina? (usually experienced during exertion)

  • the heart lacking oxygen causes it to respire anaerobically, this results in chemical changes triggering the pain.
  • a build up of fat deposits causes a blood clot which narrows the arteries and stops the right amount of blood circulating around the body
  • supply of blood to heart and brain is slightly interupted

3. which is relaxation of the heart?

  • ventricular systole
  • diastole
  • atrial systole

4. The first stage of atherosclerosis is what becoming damaged?

  • the collagen fibres in an artery
  • the endothelium
  • the muscle of the artery

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

  • single direction flow
  • mass flow
  • one way transportation

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