Blood And Circulation Flashcards
What shape are red blood cells?
Biconcave
What are features and functions of a white blood cell?
-Can change shape
-defends against infection
-has a nucleus
What are the features of platelets?
-Doesn’t have a nucleus
-Triggers blood clotting
-Fragments of a cell
Types of major blood vessels?
-Veins
-Arteries
-Capillaries
Which is the only type of vein that carries oxygenated blood?
Pulmonary vein
Which is the only artery that doesn’t carry oxygenated blood?
Pulmonary artery
Which vessels carries oxygenated blood to the body?
Aorta
Why is the human circulatory system called a double circulatory system?
The human circulatory system is called a double circulatory system because blood passes through the heart twice per circuit.