Circulatory System Definitions - Anatomy Flashcards
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Questions and Answers

What is the fluid portion of blood called?

Plasma

What is an erythrocyte?

Red blood cell

What does hypertension refer to?

High blood pressure

What is the lymphatic system involved in?

<p>Immunity</p> Signup and view all the answers

What is a platelet responsible for?

<p>Clotting</p> Signup and view all the answers

What type of blood vessel carries blood away from the heart?

<p>Artery</p> Signup and view all the answers

What is a venule?

<p>Tiny vein</p> Signup and view all the answers

What type of blood cell is a leukocyte?

<p>White blood cell</p> Signup and view all the answers

What is an arteriole?

<p>Tiny artery</p> Signup and view all the answers

What are capillaries?

<p>Smallest blood vessels</p> Signup and view all the answers

What does vasodilation refer to?

<p>Relaxing of smooth muscle in blood vessels</p> Signup and view all the answers

What is vasoconstriction?

<p>Narrowing of blood vessel</p> Signup and view all the answers

What is the pulmonary circuit responsible for?

<p>Vessels taking blood to &amp; from lungs</p> Signup and view all the answers

What are antibodies?

<p>Proteins produced in response to antigens</p> Signup and view all the answers

What is the function of valves in the circulatory system?

<p>Prevent backward flow of blood</p> Signup and view all the answers

What is a pulse?

<p>Rhythmic expansion of artery</p> Signup and view all the answers

What does a vein do?

<p>Returns blood back to heart</p> Signup and view all the answers

What is the systemic circuit responsible for?

<p>Vessels taking blood to &amp; from body</p> Signup and view all the answers

Study Notes

Blood Components

  • Plasma: The liquid part of blood that transports cells, nutrients, and waste.
  • Erythrocyte: Commonly known as red blood cells; responsible for oxygen transport.
  • Leukocyte: Also known as white blood cells; crucial for immune response.
  • Platelet: Cell fragments involved in blood clotting processes.

Blood Pressure and Conditions

  • Hypertension: Refers to consistently high blood pressure, monitored for health risks.

Circulatory Pathways

  • Pulmonary Circuit: Network of vessels transporting deoxygenated blood to the lungs for oxygenation and back to the heart.
  • Systemic Circuit: Pathway that carries oxygenated blood from the heart to the body and returns deoxygenated blood back.

Vascular Components

  • Artery: Thick, muscular vessels carrying blood away from the heart.
  • Arteriole: Smaller branches of arteries that lead to capillaries.
  • Capillary: Tiny blood vessels with walls one cell thick, facilitating gas and nutrient exchange.
  • Venule: Small vessels that collect blood from capillaries and lead to veins.
  • Vein: Vessels that carry deoxygenated blood back towards the heart.

Vascular Functions

  • Vasodilation: The process of smooth muscle relaxation in blood vessels, leading to increased blood flow.
  • Vasoconstriction: The narrowing of blood vessels, reducing blood flow and increasing blood pressure.

Immune Response

  • Antibody: Proteins produced by the immune system in response to foreign substances (antigens).

Heart Functionality

  • Valves: Structures in the heart and veins that prevent the backward flow of blood.
  • Pulse: The rhythmic pressure wave felt in arteries, corresponding to heartbeats; can be detected near the skin's surface.

Lymphatic System

  • Lymphatic System: Network providing drainage and transport of lymph; plays a key role in immune responses.

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Description

Test your knowledge of the circulatory system with this anatomy flashcard quiz. Each card features a key term, such as 'Plasma' or 'Erythrocyte', along with its definition. Perfect for students seeking to enhance their understanding of blood components and related systems.

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