The trachea is lined with a moist mucous-membrane layer composed of cells containing small hairlike projections called cilia. The cilia project into the channel (lumen) of the trachea to trap particles. There are also cells and ducts in the mucous membrane that secrete mucus droplets and water molecules.
Breeds of Livestock - Brahman Cattle. Brahman. The Brahman breed originated from Bos indicus cattle originally brought from India. Through centuries of exposure to inadequate food supplies, insect pests, parasites, diseases and the weather extremes of tropical India, the native cattle developed some remarkable adaptations for survival.
History. Brahmas arrived in the UK around 1840-1850. The name Brahma comes from the river Brahmaputra in India although the species was created in America from large feather legged birds known as Shanghais which were imported from China in the 1840s.ehaviour. Brahmas are very large, stately, docile birds who make good reliable broodies which can cover a large number of eggs due to their size. The eggs are small and low in number but chicks hatch strongly and grow quickly.