Test: Cardiovascular System

Transportation of various substances throughout the body thru the blood such as Oxygen, CO2, Nutrients , Wastes, Hormones, etc.

• The muscular system
• The endocrine system
• The circulatory system
• The respiratory system

(superior end) of the heart that points toward the right shoulder

• Base
• Apex

(inferior end) of the heart that points toward the left hip and rests on the diaphragm

• Base
• Apex

The heart is surrounded by a serous membrane that Secretes serous fluid to reduce friction. This is called the -

• Vena Cava
• Aorta
• Pericardium
• Myocardium

The heart wall is composed of 3 layers: Check all that apply

• Epicardium
• Myocardium
• Endocardium
• Aorta

Thick bundles of cardiac muscle that are twisted into ring-like arrangementsThis is the layer of the heart wall that actually contracts

• Epicardium
• Myocardium
• Endocardium
• Aorta

The main (right and left) coronary arteries branch from the aorta. Blood supply to the myocardium itself is provided by coronary arteries in a process called -

• muscle circulation
• venal circulation
• epicardial circulation
• coronary circulation

upper chambers of the heart that receive blood.

• atria
• ventricles

lower chambers that discharge blood

• atria
• ventricles

Septum that divides the heart longitudinally between the ventricles.

• interventricular septum
• interatrial septum