Answer:
This mechanism, known as the skeletal muscle pump (Figure 6), helps the lower-pressure veins counteract the force of gravity, increasing pressure to move blood back to the heart.
Explanation:
Explanation:
red and orange colors of the light spectrum play the most important role in plant growth because it increases the production of a hormone that prevents the breakdown of chlorophyll.
Answer:
Every cell in the body of living organisms requires oxygen for its survival. Hemoglobin is a type of blood cell which is responsible for the transportation of oxygen and carbondioxide in the body. Hemoglobin transport carbondioxide which is produced as waste material, from the cell to the lungs and oxygen is loaded in the hemoglobin cell which take this oxygen to all cells.
Explanation:
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