Circulatory System
The chamber of the heart receiving deoxygenated blood from the superior vena cava
Right Atrium
Largest artery in the body
Aorta
A vessel that carries blood away from the heart
Artery
This prevents blood from flowing backwards in the heart. It is located between the atrium and ventricles.
Valve
A vessel that carries blood towards the heart
Vein
What are the four main components of blood?
The four main components of blood are red blood cells, white blood cells, platelets, and plasma.
What is the role of hemoglobin in the blood?
Hemoglobin is a protein in red blood cells that binds oxygen to the lungs
In which blood vessel does gas exchange occur?
a) capillaries
b) heart
c) liver
a) capillaries
How many chambers are in the heart
Four
This is a vein that carries oxygen rich blood to from your lungs to your heart.
a) pulmonary vein
b) vena cava
c) aorta
a) pulmonary vein
Molecule carrying oxygen on red blood cells
Hemoglobin
Caused by the expansion and contraction of artery wall as blood is pumped through the body
Pulse
Blood is primarily made up of what?
a) white blood cells
b) red blood cells
c) platelets
d) plasma
d) plasma
-arteries
-veins
Arteries
Lymph is the excess fluid in the ________ system.
a) respiratory
b) lymphatic
c) digestive
b) lymphatic
The force of blood against the walls of the blood vessels
Blood pressure
Wall of the heart which separates the left and right sides
The Septum
What is the difference between arteries and veins?
Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.
True of false? Both arteries and veins are made up of three layers.
True
What role do platelets play in the blood?
Helps blood clot to stop bleeding
Which type of blood cell protects against infection and disease?
White blood cell
Normal range of heart rate for an adult
60-100
Which ventricle pumps blood to the whole body?
-left ventricle
-right ventricle
Left ventricle
Which artery provides the heart with the oxygen and nutrients it needs?
a) aorta
b) coronary artery
c) pulmonary artery
b) coronary artery
What group of cells send out signals so the heart keeps pumping?
The answer starts with the letter "P"
Pacemaker