A bronchopulmonary segment is a portion of lung that is supplied by a segmental bronchus and its adjacent blood vessels. Bronchi, anterior view. The right mainstem bronchus divides into the right upper lobe bronchus and the bronchus intermedius.
First Forms of Art. The first type of art was cave painting.The earliest known paintings were found in the El Castillo cave in Spain! One faint red dot is said to be more than 40,000 years old!A red ochre painting was discovered at Arnhem Land plateau in Australia.It Showed 2 emu like birds(Picture 1).irst Forms of Art. The first type of art was cave painting.The earliest known paintings were found in the El Castillo cave in Spain! One faint red dot is said to be more than 40,000 years old!
Egg Tempera is one of the oldest painting mediums - existing examples date back to Roman wall paintings, and egg tempera was the prevalent medium used by artists prior to the introduction of oil paint to Europe at the end of the 15th century. Egg Tempera is