Other questions in this quiz

2. What would an ECG trace be used to find?

  • The size of the heart muscle
  • Whether part of the heart muscle is unhealthy
  • The blood pressure within the heart

3. What is dissociation?

  • Release of oxygen from the haemoglobin
  • Attraction of oxygen to the haemoglobin
  • Release of hydrogen from the haemoglobin
  • Release of carbon dioxide from the haemoglobin

4. What is the job of the SAN?

  • To expand and contract 55-80 times a minute
  • To initiate a wave of excitation at regular intervals
  • To coordinate the atria and ventricles
  • To stop the conduction of the electrical signal

5. How is the artery adapted to maintain a high pressure?

  • Valves
  • Wide lumen
  • Narrow lumen
  • Thin walls

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Human, animal and plant physiology resources »