Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
two upper chambers of the heart that contract at the same time during a heatbeat
atriums
two lower chambers of the heart, that contract at the same time, during a heartbeat
ventricles
flow of blood to and from the tissues of the heart
coronary circulation
flow of blood through the heart to the lungs and back to the heart
pulmonary circulation
largest part of the circulatory system, in which oxygen-rich blood flows to all the organs and body tissues except the heart and lungs, and oxygen-poor blood is returned to the heart
systemic circulation
blood vessel that carries blood away from the heart, and has thick, elastic walls made of connective tissue and smooth muscle tissue
arteries
blood vessel that carries blood back to the heart, and has one-way valves that keep blood moving toward the heart
veins
microscopic blood vessel that connects arteries and veins; has walls one cell thick, through which nutrients and oxygen diffuse into body cells, and waste materials and carbon dioxide diffuse out of body cells
capillaries
chemical in red blood cells that carries oxygen from the lungs to body cells, and carries some carbon dioxide from body cells back to the lungs
hemoglobin
irregularly shaped cell fragment that helps clot blood and releases chemicals that help form fibrin
platelets
liquid part of blood, made mostly of water, in which oxygen, nutrients, and minerals are dissolved
plasma
tissue fluid that has diffused into lymphatic cappilaries
lymph
carries lymph through a network of lymph cappilaries and vessels, and drains it into large veins near the heart; helps fight infections and diseases
lymphatic system
bean-shaped organs found throughout the body that filter out microorganisms and foreign materials taken up by the lymphocytes
lymph nodes
a type of white blood cell that fights infection
lymphocytes