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 ▸What is the role of ADH in the regulation of water in the body (osmoregulation)?
An airtight compost heap causes anaerobic decay. Explain why the gardener might be against producing compost using this method
Which best describes the function of a cell membrane? (a) It keeps the cell in shape. (b) It controls the substances entering and leaving the cell. (c) It controls the substances entering the cell. (d) It supports the cell structures.
Explain 2 adaptations of red blood cells.