Testosterone
Growth hormone
Insulin-like growth factor
Cortisol
<span>It is confusing discipline with punishment. This is because children will think that parents are punishing them but they are only disciplined. They need discipline so that they will learn from their mistakes. But sometimes, there are punishments that are harmful to children that is why it could be considered as a bad discipline.</span>
Answer: In the air sacs
Explanation: Air sacs has a million tiny holes that is were oxygen transfers. Inside the air sacs oxygen moves across paper thin walls to tiny blood vessels called capillaries into your blood
The oxygen enters the bloodstream from the alveoli.