How does the mother make antibodies against the babyâs blood if the placenta prevents the motherâs blood from mixing with the babyâs blood? The answer is there are often small leaks of fetal blood into the maternal circulation, particularly at the time of birth.
Punjabi is an alphabet based language with forty letters, which is fourteen more than in the English alphabet. The reason for this is that each sound has its own letter. In English, many letters combine to make new sounds. For example, the letter h is often used with other letters like s c t to form new sounds like sh ch and th. In the Punjabi alphabet, each of these sounds have their own letter.
Hindu-Arabic numerals are a decimal, or base-ten, place-value number system with the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 as fundamental building blocks. It is important that students build an understanding of the numbers up to ten before they progress further. number with many digits can be hard to read. We cluster the digits in groups of three, starting from the ones place, and separate different groups by a thin space. By convention we do not put a space in a four-digit number. Thus we write 7352, but 17 352 and 2 417 352.