Tagged: Pulmonary valve

April 5, 2021

Heart function, structure, Valves, Borders, Chambers and Surfaces

The heart pumps blood around your body, It delivers oxygen and nutrients to the cells and removes waste products, It consists of four chambers: two upper chambers called the right and left atria (singular:...

Biology

December 16, 2017

Human Transport system, Structure of human circulatory system (heart, blood vessels & blood)

Animals obtain their requirements of energy in the form of food, after its digestion, the soluble food substances are absorbed, but still remains the problem of their transport and distribution to the various tissues...