A pair of boney structures surrounding me
What are the ribs?
I deliver blood towards the heart
What are the veins?
Veins sometimes carries this poor substance
What is deoxygenated blood?
I'm the melodic sound
What is lub dub?
The innermost layer
What is the Endocardium?
Spongy air filled organs on either side
What are the lungs?
I'm responsible for blood leaving the heart
What is the aorta?
I've been know to carry this rich substance
What is oxygenated blood?
Then number of times a beat occurs
What is the heart rate?
The protector
What is the Epicardium?
Hollow space in the body where one can find me
What is the the thoracic cavity?
I have a superior and inferior way of getting blood to the heart
What is the vena cava?
I'm the small vessel that bridge arteries and veins where nutrients and gas exchange takes place
What are capillaries?
The synchronized pumping action
The thickest layer in the wall
What is the Myocardium?
A thick sac that envelops and protects me
What is the pericardium?
I'm the gateway for blood flow from the right atrium to the right ventricle
What is the tricuspid valve?
I pump oxygenated blood through the left ventricle and atrium back to heart
What are pulmonary veins?
I set the pace with an electrical pulse
What is the SA node?
Branched and striated
What is a cardiac muscle?
My position when the pulmonary trunk is more anterior than the aorta
What is anatomical position?
The pulmonary valve helps push blood out of the heart through this pair
What are the left and right pulmonary arteries?
I'm the process in play for taking blood away from the body, other than the lungs, to the rest of the body
What is systemic circulation?
An important conductor and regulator of the beat
What is the bundle of HIS?
Surrounds like a sac
What is the Pericardium?