Is just the presence of water a cue to trigger the dive response?

The correct answer is : No.

Explanation:

The dive response is a mammals reflex that optimizes breathing in order for indivuals to remain submersed for longer periods of time. It helps the organism to distribute oxigen principally to the brain and heart.

The dive response is not trigger by the presence of water or even the contact with the organism with water. The dive response is triggered by 1- holding breath 2- Chilling the nostrils 3- Presence of water in the nostrils and face.

In conclusion, to the question : Is just the presence of water a cue to trigger the dive response, the answer is No.

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