Could you explain the blood flow through the heart?
Deoxygenated blood enters through the right atrium from vena cava, moves through tricuspid valve into right ventricle. This moves up the pulmonary artery to the lungs and oxygenates.Oxygenated blood enters left atrium from pulmonary veins, moves through mitral valve (bicuspid valve) into left ventricle.This moves up the aorta to supply blood to the rest of the body.
NV
Related Biology GCSE answers
All answers ▸Describe the effect of an increase in ADH production on the kidney and on the composition of urine.
Describe the factors which affect rate of reaction.
What is the difference between excretion and egestion? Name three major organs of excretion in humans, the substances they excrete and the function of this excretion.
Why is the Nitrogen cycle so important to understand? Name key uses of Nitrogen in the living world.