Boa suffocation is merely myth
The snakes block prey’s blood flow, not breathing
![Boa Snake](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/08/082215_notebook_alive_feat_free.jpg?fit=860%2C460&ssl=1)
BE STILL MY HEART Within just a few seconds of looping around a lab rat, a boa constrictor squeezes enough to halve blood pressure in a rear-leg artery.
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