By Eric Albert

1 Reflex and respiratory controller
6 Caries target
9 What's left on a filter paper
10 Element used in lasers
11 Bone present in all land vertebrates
12 Strain of animal
13 Work: pref.
15 Important point in meiosis
17 Mycota
19 Hematite, e.g.
21 Simplest ketone
24 Unsaturated hydroxyl compound
25 It's found in high concentration in red blood cells
27 Unresponsive state
30 CAT, for example
31 Creeping plant stem
32 Reaction causing substance
33 Stinging cell of the jellyfish
1Element isolated by Davy
2Its atomic number is 33
3Having a major immune-system deficiency
4Student's ______
5Important point in meiosis
6Reciprocal prefix of 29 Down
7Greek's 15th
8Pertaining to evolutionary changes in body part placement
14It's got a lot of gall
16Mean, for one
17Energy source
18Mammalian order whose...

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