What is the primary driving force for fluid flow in the circulatory system?

Practice Questions

Q1
What is the primary driving force for fluid flow in the circulatory system?
  1. Osmotic pressure
  2. Hydrostatic pressure
  3. Viscosity
  4. Surface tension

Questions & Step-by-Step Solutions

What is the primary driving force for fluid flow in the circulatory system?
  • Step 1: Understand that the circulatory system is made up of blood vessels that carry blood throughout the body.
  • Step 2: Recognize that blood needs to move from one place to another, just like water flows through a pipe.
  • Step 3: Learn that hydrostatic pressure is the force that pushes the blood through these vessels.
  • Step 4: Realize that this pressure is created by the heart when it pumps blood.
  • Step 5: Conclude that hydrostatic pressure is the main reason why blood flows in the circulatory system.
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