cardio practice #3

What is the function of the cardiovascular system 

• carries oxygen and nutrients to body
• carries waste to excretory system
• defense against disease
• all of the above

The largest artery in the body

• Aorta
• Superior Vena Cava
• Inferior Vena Cava
• Pulmonary Artery

This is the thickest layer of the heart

• Pericardium
• Endocardium
• Myocardium
• Epicardium

The smooth layer that lines the inside of the heart

• Endocardium
• Pericardium
• Myocardium
• None of the Above

Double membrane sac that covers the outside of the heart

• Pericardium
• Myocardium
• Endocardium
• All of the above

The flow of blood between the heart and cells of body

• Systemic circulation
• Pulmonary circulation
• Oxygenated blood
• Deoxygenated blood

The flow of blood between the heart and the lungs

• systemic circulation
• oxygenated circulation
• Pulmonary circulation
• none of the above

_______starts in the heart and causes the heart muscle to contract and the heart to beat

• Enzymes
• Electrical impulses
• Hormones
• Neurons

One of the body's largest blood vessels that transports blood from the body region below the diaphragm to the heart

• superior vena cava

• inferior vena cava

• pulmonary trunk

• pulmonary veins

What does the word "Cardio" refer to?

• Lungs

• Heart

• CPR

• Breathing