Questions 1-10: 1. (TCO 9) Sebum is secreted by
____ and is used for ____.
2. (TCO 9) The complement system
is involved in all the following except ___.
3. (TCO 9) The fluid called pus
_____.
4. (TCO 9) Stem cells are undifferentiated.
This means that ____.
5. (TCO 9) Mast cells release
_____.
6. (TCO 9) Surface proteins can
help scientists distinguish between ____...