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Deoxygenated blood flows from the vena cava into the right atrium, through the tricuspid valve into the right ventricle. When the ventricles contract blood is forced through the pulmonary valve into the p...
Therapeutic cloning produces stem cells which are genetically identical to the parent cell. Nucleus is removed and discarded from the donor egg cell = enucleated egg. Nucleus is removed f...
The role of root hair cells is to absorb water and mineral ions. Therefore they have a large surface area to increase the rate of water absorption. Root hair cells also have a <...
describe and visualise heart and CVS structure to begin to understand the underpinning principles of the heart, arteries and veins. build upon these principles with regard to coronary heart disease and th...
Carbon dioxide levels, light and temperature
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