The Heart

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D Q O A A Q K P V A R R K X W C O C
L D H R C G G A H X E G H S N O F F
Q R C M E V A P Y P G V D E P H G U
X O A T G N W F P Q N A B I U W T G
S S V N K V V N C A I F B R Y B R U
E S C M A I I F N R O N J E H X Y C
L L U L R I X A T V N U L T X M L W
C E T F K J Y A V M I D N R E P B T
I R S L C P T J I I P W G A L C A W
R G N D E O X Y G E N A T E D Q H D
T L I U B N L J J A U K U A W T U M
N L E S S W U H Y B M H I D V F Y U
E H V N I J U E P G V M Q V I V K D
V W D L B G R C T M Q J M W P O A L
R I T V L V R O K L J X S Y C T S S
H P S K A P A X K W U U Y Y A P L N
L K Y M J F F W F J A V X D S Q Q H
M C L I Q V N L K C L U Q A A J T W

Clues

  • What are the bottom two chambers of the human heart called ? (10)
  • What is the name of the top two chambers of the human heart ? (5)
  • What type of blood enters the right atrium and through the vena cava ? (12)
  • Which type of blood vessel has a small lumen and thick muscular walls ? (8)
  • Which type of blood vessel has valves ? (5)

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