Complex sentence: The decreased velocity of flow in the capillaries increases the blood pressure, due to Bernoulli's principle, which induces gas and nutrients to move from the blood to the cells due to the lower osmotic pressure outside of the capillary.
Split into simpler sentences: The decreased velocity of flow in the capillaries increases the blood pressure, due to Bernoulli's principle. This induces gas and nutrients to move from the blood to the cells, due to the lower osmotic pressure outside of the capillary.