A constant sore scalp is not normal and should be looked at by your doctor, to ensure that the sore scalp is not indicative of a underlying serious health condition. Some people keep a sore scalp and label themselves as tender headed and think nothing of it.
These are the four distinct stages in an average house fly's life: Egg: Depending on the size of a female house fly, she can lay up to 500 eggs in a three to four day period. Eggs are white in color and are usually less than half and inch in size. Larvae: Larvae are commonly referred to as maggots. Maggots emerge from the eggs within eight to 20 hours of being laid.
An average egg is about 15 cm long, 12 cm wide and weighs about 1.5 kg. Although the shell is only 2 mm thick, the egg can sustain a weight of up to 120 kg.Source(s): http://www.southafrica-travel.net/eastca...ach is about six inches long and weighs up to 2Â½ pounds. That's 24 chicken eggs in volume. The shell is 0.06 of an inch thick (the diameter of a pinhead) but can support the weight of an adult human.