Biological Rhythms: the sleep-waking cycle

ARCTICCIRCLE
BIOLOGICAL
CAVE
CIRCADIAN
CIRCANNUAL
ENDOGENOUS
EXOGENOUS
EYE
HAMSTERS
HYPOTHALAMUS
INFRADIAN
LIGHT
MELATONIN
MENSTRUAL
NOISE
PINEAL
SCHOCHAT
SCHOCHAT
SCN
SIFFRE
SLEEP
SLEEPY
SUPRACHIASMATIC
TEMPERATURE
TWENTYFIVE
ULTRADIAN
ZEITGEBER

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Answer Key for Biological Rhythms: the sleep-waking cycle

X
Y
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1# # # # # # # # # S I F F R E # # # # #
2# # # # # # # # L U # # # # # # # # # #
3# # # # # # # E # M E L A T O N I N # #
4# # # # # # E # # A # # # # E V A C # #
5# N # # # P # # # L I G H T # # I I S #
6# # A # Y E R U T A R E P M E T # R U #
7# # L I # # # # # H # # # # A # # C O #
8# # A # D L A U R T S N E M # # # A N #
9S # C # # A # # W O # # S L E E P D E #
10U # I # # # R E # P # A # # # # # I G #
11O # G # # # N F # Y I # # # # # # A O #
12N # O # # T # # N H A M S T E R S N D #
13E # L # Y # # O C I R C A N N U A L N #
14G # O F # # I A R C T I C C I R C L E #
15O # I # # S R # # # # # # # # # # Y # #
16X V B N E P I N E A L # # # # # E # # #
17E # # C U L T R A D I A N # # # # # # #
18# # # S C H O C H A T # # # # # # # # #
19# Z E I T G E B E R # # # # # # # # # #
20# # # # # # # # # # # # # # # # # # # #
Word X Y Direction
ARCTICCIRCLE  814e
BIOLOGICAL  315n
CAVE  184w
CIRCADIAN  184s
CIRCANNUAL  913e
ENDOGENOUS  1914n
EXOGENOUS  117n
EYE  1914sw
HAMSTERS  1012e
HYPOTHALAMUS  1012n
INFRADIAN  1013nw
LIGHT  105e
MELATONIN  103e
MENSTRUAL  148w
NOISE  912sw
PINEAL  616e
SCHOCHAT  418e
SCHOCHAT  418e
SCN  418n
SIFFRE  101e
SLEEP  139e
SLEEPY  101sw
SUPRACHIASMATIC  1111ne
TEMPERATURE  166w
TWENTYFIVE  108sw
ULTRADIAN  517e
ZEITGEBER  319e