Human reproductive ecology to aid infant survival and growth. Lactational strategies vary cross-culturally, but can typically be defined by sibling sets and sex ratios, frequency of nursing, entire lactational duration, and milk composition. Milk is composed of my bioconstituents, but only a few will be outlined here. In the first days of puerperium, the first milk is thick and yellowish, also called colostrum. For weeks after that, mature milk is expressed and it has been shown that fetal-mammary gland signaling occurs even before birth in determining milk type and concentrations based on the fetus sex. Colostrum plays an important role in establishing the
Bangor Academy and Sixth Form College of Governors Mrs Doreen Tennis. Prince Edward was given a tour of the school facilities and demonstrations from the Duke of Edinburgh scheme participants. He unveiled a plaque to commemorate the occasion in the school Assembly hall attended by over 500 pupils and staff. A number of the school's alumni have excelled in the fields of sport and politics at local, regional and national levels. Bangor Academy and Sixth Form College Bangor Academy and Sixth Form College ("informally" Bangor Academy) is a secondary school located in Bangor, Co Down, Northern Ireland. The school was formed as part of a merger