Question

Q.1 Why does a potted plant die when over watered? Q.2 How is oxygen transported from lungs to other parts of the body?

Answer 1

1) When you over water a potted plant the excess water has no place to move out. This causes suffocation of roots as the are not able to perform transpiration.
2) When we breath in air, the air moves in alveoli which is covered with lots of capillaries. The haemoglobin in RBC in blood diffuses CO2 and binds itself with O2. And then the blood is circulated by heart.
Hope this helps.

Answer 2

Q1) A1)Roots growing in waterlogged soil may die because they cannot absorb the oxygen needed to function normally. The longer the air is cut off, the greater the root damage. The dying roots decay and cannot supply the plants with nutrients and water. Damage caused by over watering is frequently misdiagnosed as pest damage. Q2) A2)Oxygen is transported throughout the body via hemoglobin in the red blood cells. Hemoglobin is the protein inside red blood cells that carries oxygen to cells and carbon dioxide to the lungs. ... Air is breathed in through the mouth and nose and after various processes it enters the blood through diffusion. please  Please add my answer as brainliest