maths
maths
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BLOOD
CAPILLARY
CARBON
CELLS
DIAGRAM
DIOXIDE
ENTERED
LUNGS
MATERIAL
PROCESS
SUGER
THICK
VILLUS
WASTE
| R | Y | I | O | X | O | E | H | J | O | E | N | A | R | B |
| F | R | G | T | N | J | T | X | E | Q | Y | Y | E | T | I |
| R | A | W | H | U | D | T | H | O | U | B | G | E | W | J |
| X | L | E | Y | Y | V | K | V | M | S | U | U | N | Y | P |
| S | O | N | D | R | K | W | S | A | S | L | N | Q | T | B |
| X | B | T | D | I | A | Z | U | R | E | A | O | P | F | H |
| E | K | E | H | S | X | L | L | G | C | I | N | C | A | C |
| Y | S | R | T | I | F | O | L | A | O | R | O | B | A | L |
| B | R | E | K | L | C | U | I | I | R | E | B | F | C | K |
| A | U | D | W | O | N | K | V | D | P | T | R | I | M | B |
| O | S | X | R | G | X | I | D | E | B | A | A | T | O | B |
| E | L | O | S | N | I | W | T | O | J | M | C | Q | O | X |
| X | J | Y | V | V | C | F | G | K | O | W | C | M | L | E |
| F | Q | S | D | U | Q | U | T | I | Q | L | Y | V | Z | I |
| N | O | S | L | L | E | C | R | C | R | C | B | Y | J | I |
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