C. Insufficient oxygen is reaching the muscles
I found a quizlet with the answer for this question lol
Hope that helped! :)
The terms that complete the sentence 'The __________ and __________ are the glands that stimulate reproductive cycles' are b. testes . . . ovaries. Testes are male gonads and ovaries are female gonads in animals. These organs are glands that are involved in reproductive cycles. They produce gametes which take place in reproduction, but they also produce hormones that stimulate reproductive cycles.
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Idk sry abt that I’ll help u on something else