A. menstruation
menstruation happens because each month the body releases an egg. Hence why when youre pregnant you dont experience menstruation, because the egg is fertilized so will not be released
Answer: an organ that secrets chemical substances
Explanation: got correct on edge2020
The first years of life is the period to acquire speech as well as language skills. It would be best develop with sounds as well as sights and constant exposure to the language and speech. There are 4 language skills namely listening, speaking,writing and reading in which the 2 latter ones are not develop during infancy.