Sentences with phrase «within narrow channels»

Scientists have long sought to understand the structure and behaviour of water confined within narrow channels.

Not exact matches

But veterinarians who believe that brachycephalic dogs suffer more from heart issues suggest that a deficiency of oxygen over time (chronic hypoxia) causes blood channels in the lungs to narrow (pulmonary vasoconstriction) which then leads to increased blood pressure within the heart (pulmonary hypertension), a known risk for heart failure.

Some are within an easy swim of the beach, others will require a boat ride, and some of the most secluded can be visited only by kayak, as they lie within shallow bays reached by narrow channels.