In meiosis for females the egg cell is much larger than the three polar bodies, why does it need that extra cytoplasm

The large cell develop into mature gamete call ovum and it cytoplasm from the egg. The unequal distribution of the cytoplasm during oogenesis is necessary as the zygote that results in the cytoplasm from the egg. So the egg needs to have as much cytoplasm as possible

The short-term effect of tar on the body is increased blood pressure.