1 Hemoglobin (Hgb). 2  The hemoglobin molecule fills up the red blood cells. 3  It carries oxygen and gives the blood cell its red color. 4  The hemoglobin test measures the amount of hemoglobin in blood and is a good measure of the blood's ability to carry oxygen throughout the body.
ETFs that have exposure to stocks of these airline companies include the SPDR S&P Transportation ETF (XTN) and the iShares Transportation ETF (IYT). The Boeing 777 family features long-range, wide-body, twin-engine jet aircraft with a seating capacity of 314â451 passengers. Its current production models are the 777-300ER and the 777F freighter variant.
Made by Airbus, the wide-body A380 is the largest passenger plane in the world, with two levels, semi-private suites, shower spas, and an on-board lounge. The A380 thatâs flying into Boston is currently configured to seat 491 passengers, with 14 private suites, 76 business class seats, and 401 economy seats.