According to the Bohr model, the wavelength of the light emitted by a hydrogen atom when the electron falls from a high energy (n = 4) orbit into a lower energy (n = 2) orbit.
A network of arteries and veins also carry blood throughout the body: Arteries transport blood from the heart to the body tissues. Veins carry blood back to the heart.ow the heart works. The heart is a large, muscular organ that pumps blood filled with oxygen and nutrients through the blood vessels to the body tissues. It's made up of: Four chambers. The two upper chambers, the atria, receive and collect blood.
CIRCULATION CHECKS Your child has received a treatment that can affect blood flow (circulation) in the injured arm or leg. You will need to check the blood flow in your childâs fingers or toes.This is to prevent injury to the nerves and other tissues caused by swelling. Do circulation checks 3 or 4 times a day for as long as the cast or splint is in place, or until your childâs doctor tells you itâs OK to stop doing the checks.ou will need to check the blood flow in your childâs fingers or toes. This is to prevent injury to the nerves and other tissues caused by swelling. Do circulation checks 3 or 4 times a day for as long as the cast or splint is in place, or until your childâs doctor tells you itâs OK to stop doing the checks.