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CBSE Class 10 Answered

Adrenaline
Asked by Abhijeetoo7 | 03 Dec, 2009, 08:35: PM
answered-by-expert Expert Answer

In case of flight or fight reaction to an emergency situation,  

Adrenal glands  à release adrenaline into blood à  which acts on heart and other tissues à causes faster heart beat à more oxygen to muscles à reduced blood supply to digestive system and skin à diversion of blood to skeletal muscles à increase in breathing rate due to contractions of rib and diaphragmmuscles.

All these responses together enable the animal body to be ready to deal with emergency situations.

 

 

Answered by | 04 Dec, 2009, 12:14: PM

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