Specifically, cardiorespiratory endurance refers to the ability of the heart, lungs and circulatory system to deliver oxygen to working muscles for sustained periods of time.
The ego is  your consciousness of your own identity, or the conscious mind. Basically, your ego is related to your confidence level; if you have a big ego, your confidence is high, and visa versa. Additionally, having an ego can mean having an inflated feeling of pride or self-worth. The ego is your consciousness of your own identity, or the conscious mind. Basically, your ego is related to your confidence level; if you have a big ego, your confidence is high, and visa versa. Additionally, having an ego can mean having an inflated feeling of pride or self-worth.
The ego operates based on the reality principle, which works to satisfy the id's desires in a manner that is realistic and socially appropriate. For example, if a person cuts you off in traffic, the ego prevents you from chasing down the car and physically attacking the offending driver.