Phylum Chordata is the only phylum where all the members have a  backbone.   However, there is more to it than that, especially given that there  are two invertebrate châ¦ordate groups - Urochordata (tunicates) and  Cephalachordata (lancelets) - whose backbone is not in the form of  actual vertebrae.
The answer. Anger is a normal, healthy emotion that we all experience at times. Like any other emotion, anger exists on a continuum with varying degrees of severity. The range of emotions may include minor annoyance, irritation or frustration, all the way up to fury or rage.
Anger â feeling angry. A stronger word for anger is rage. Sadness â feeling sad. Other words are sorrow, grief (a stronger feeling, for example when someone has died) or depression (feeling sad for a long time). Some people think depression is a different emotion.