But the arrival of the dockless bike-share model was received mostly with praise and excitement in a city that has embraced biking as a mode of transportation. Some biking aficionados said they hope the companies will indeed bring more bikes to underserved communities of the District, including the Northeast and Southeast quadrants.
It sounds super-gross but please try to imagine it: Red muscles, pink muscles, and white muscles. The red muscles are red because they contain lots of myoglobin: a protein that binds iron and oxygen. Your blood has a similar protein called hemoglobin which binds iron and oxygen.
Consuming too much beta-carotene can turn your skin yellow-orange. Beta-carotene is one of the pigments responsible for the color of carrots and other vegetables. It is a primary source of vitamin A and can be ingested through eating orange and yellow vegetables or taking beta-carotene supplements. If you consume lots of carrot juice, yellow-orange vegetables or beta-carotene supplements, your skin may turn a yellow-orange shade, a condition called carotenosis.