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!
Classic vs. Modern. To many artists and art lovers, oil paintings are synonymous with a classic medium, while acrylic works are a modern art form. Think oil, and the first thing that comes to mind is a masterpiece. Think acrylic and see bold, contemporary colors. Painting with oil on canvas probably originated in the 13th century and continues to be a favorite option for many. The current medium dates to the 15th century and Belgian Jan van Eyck.