Misc: what velvet underground song contains the line "...it's my wife, it's my life"?

Questions

Biology : How many large holes are in your head?

Biology : This complex substance makes up all living things.?

Biology : What is normal body temperature for an adult human?

Botany : The practice of joining the parts of two plants to make them grow as one is called ________.?

Botany : These flowerless plants grow on bare rocks and tree stumps.?