Respiration

Chapter 4

Click on a number in the grid to see the clue or clues for that number.
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter.

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     6      7             
             8         
                    
 9                     
                    
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 11   12                    
                    
                    
 13                     
                    
14                      
                    

Across:

1. Chemical formed from the splitting of glucose during glycolosyis (7,4)
4. Carbohydrate that acts as a source of energy in living cells ( 7 )
9. State of muscle resulting from lack of oxygen and build-up of lactic acid (7)
10. Chemical element needed for aerobic respiration (6)
11. Type of respiration that occurs in the presence of oxygen and produces much energy (7,11)
13. Chemical formed during anaerobic respiration in animal cells (6,4)
14. Process by which high energy ATP is made from low energy ADP and Pi (15)

Down:

2. Type of respiration that occurs in the absence of oxygen and produces little energy (9,11)
3. Stage of respiratory pathway common to aerobic and anaerobic respiration (10)
5. Form of energy released present in food before respiration takes place ((8,6)
6. State that develops in the body during anaerobic respiration and repaid during a rest period (6,4)
7. Unit used to measure energy (9)
8. Form of energy released from cells during respiration (4,6)
12. Chemical formed during anaerobic respiration in plant cells (7)