Head Area: The nose and mouth take in oxygen that goes through the throat and into the lungs. There are 2 ways, but a little flap opens when oxygen comes in and closes right after. This is used so food doesn't get in the wrong way.
Chest Area: Capillaries in the lungs move the oxygen to the heart to pump it throughout the body.
This is still the best question i’ve ever answered in my entire life.
They provide half lives by radio active decay that can tell how old they are and earth also they provide analogous and and homologous structures
I think stratus clouds indicate possible precipitation