The term that describes a child’s ability to cheer themselves up when angry would be b.Impulse control
I believe the answer is the systemic circuit
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
Most people love the melting cheese feeling in their mouths. Other people just order pizza because they're too lazy to cook food. Hope i helped!
The main factor that controls the rate of breathing is..
A.) concentration of carbon dioxide.
If we think about it.. When we breath in oxygen, right away it enters your lungs and turns into carbon dioxide. Well since your lungs need to process oxygen and bring oxygen into the blood stream. Then as soon as the oxygen comes inside (inhale) the oxygen turns into carbon dioxide and you breath it out (exhale) to get a new oxygen load.
Makes sense? lol
Good Luck! :)