life processes.

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

Clues

  • what are enzymes? (10, 9)
  • what is the area that the substrate attaches to called? (3, 6, 4)
  • what is the molecule that an enzyme acts on called? (1, 9)
  • what is the volume of oxygen needed to completely oxidise the lactic acid that builds up in the body during anaerobic respiration is called? (6, 4)
  • which organs excrete? (5, 7, 4)
  • why do organisms respire? (2, 3, 6)

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