The circulatory system

Cards (36)

  • What is the primary function of the circulatory system?
    Transporting blood and nutrients
  • What are the two main components of the circulatory system?
    Function and structure
  • What does the pulmonary vein carry blood from and to?
    From the lungs to the heart
  • What does the pulmonary artery carry blood from and to?
    From the heart to the lungs
  • What does the aorta carry blood from and to?
    From the heart to the body
  • What does the vena cava carry blood from and to?
    From the body to the heart
  • What does the renal artery carry blood from and to?
    From the body to the kidneys
  • What does the renal vein carry blood from and to?
    From the kidneys to the vena cava
  • What is the role of blood in the circulatory system?
    Transporting gases, nutrients, and wastes
  • How many circuits are there in the circulatory system?
    Two circuits
  • What happens to blood in the lungs?
    It gets oxygenated
  • How many times does blood go through the heart to complete one full circuit?
    Twice
  • What supplies blood to the heart?
    The left and right coronary arteries
  • What is the relationship between blood pressure and blood flow?
    Blood flows from higher to lower pressure
  • What is another name for the digestive tract?
    The gut
  • How should you visualize a diagram of the heart?
    As if the person is standing
  • What are the main types of blood vessels in the circulatory system?
    • Arteries
    • Arterioles
    • Veins
    • Capillaries
  • What is tissue fluid?
    Fluid that surrounds cells in tissues
  • What happens to fluid movement at point A in a capillary bed?
    Fluid moves from blood to tissue fluid
  • What does the fluid contain at point B in a capillary bed?
    Waste products and nutrients
  • Where would you find point A on a capillary bed?
    At the arteriole end
  • What is hypoalbuminemia?
    Low albumin levels in the blood
  • Where would you find point B on a capillary bed?
    At the venule end
  • How does hypoalbuminemia affect tissue fluid levels?
    It increases tissue fluid and swelling
  • Which blood vessel carries deoxygenated blood to the lungs?
    Pulmonary artery
  • Name the two blood vessels that carry blood into the heart.
    Vena cava and pulmonary veins
  • Why do mammals need a circulatory system?
    To transport nutrients and gases
  • Which blood vessel carries blood to the kidneys?
    Renal artery
  • Which vessels supply the heart tissue with blood?
    Coronary arteries
  • What is the structure of an artery?
    Thick walls with muscle and elastic fibers
  • What is an arteriole?
    A small artery leading to capillaries
  • Which blood vessels have valves?
    Veins
  • What is the function of valves in veins?
    Prevent backflow of blood
  • How are capillaries adapted for efficient diffusion?
    Thin walls and large surface area
  • What happens at the venule end of a capillary bed?
    Fluid moves from tissue fluid back to blood
  • What happens at the arteriole end of a capillary bed?
    Fluid moves from blood to tissue fluid