Biology Class - Final Exam

Students in an advanced Biology class were taking their mid-term exam. The last question was, 'Name seven advantages of Mother's  milk,' worth 70 points or none at all. One student, in particular, was hard put to think of seven advantages. He wrote:

1.) It is perfect formula for the child.
2.) It provides immunity against several diseases.
3.) It is always the right temperature.
4.) It is