9. When muscles respire anaerobically, accumulates in
them.
a) glucose
b) water
c) lactic acid
d) oxygen
10. Plants exchange gases with air through their
(i) epidermis
(ii) stomata
(iii) alveoli
(iv) lenticels
a) (i) and (ii)
b) (ii) and (iii)
c) (i) and (iii)
d) (ii) and (iv)
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Answer:
lactic acid
stomata and lenticles
Answer:
9:: C lactic acid
10:: a epidermis and stomata