Blood Flow
Blood High In oxygen is ___
Blood low in oxygen is ___
Red.
Blue.
What do the arteries do?
They carry blood away from the heart.
Located In the right atrium and also known as the pacemaker.
The SA Node
Where is the heart located?
Between the Lungs.
The atria receive blood from the ___
veins.
What are Venules?
small vessels that receive blood from the capillaries and drain into the veins.
What is each contraction of the Heart Termed as?
Systole.
The left AV valve is also Known as the ____ valve.
Mitral.
The right atrium receives blood low in oxygen from all body tissues through the _____ and the ____
Superior vena cava and Inferior vena cava
All arteries carry highly oxygenated blood except the ___
pulmonary artery
What is the wave of increased pressure produced in the vessels each time ventricles contract?
The pulse.
The Tricuspid Valve is between the ___ and ____
right atrium and right ventricle.
The valves between the right atrium and the ventricle is the ____
Right AV valve. (Tricuspid)
Capillaries carry blood back to the heart.
True or False.
False. Veins carry blood back to the heart
Where is the AV bundle Located?
At the top of the inter-ventricular septum.
Each of the hearts upper receiving chambers is an _____
atrium.
Blood returns from the lungs high in oxygen and enters the left atrium through the____
Pulmonary veins
True or False. ALL veins carry blood low in oxygen.
False. all except the pulmonary vein.
What are some factors that influence the rate and force of contractions?
hormones, nervous system stimulation and drugs.
The chambers of the heart divided by walls is called a ____
septum.