The two circuits of the cardiovascular system consist of the following

• Pulmonary and systemic
• Cardiac and coronary
• Arteries and veins
• Atria and Ventricles

The vessels where gas and nutrients are exchanged are called what?

• Arteries
• Lungs

• Arterioles
• Capillaries

Where does blood lacking oxygen enter the heart?

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

The membranous sac that surrounds the heart is the

• Peritoneum
• Cardiac Mesentery
• Pericardium
• Alveoli

The thickest layer of the heart is the

• Endocardium
• Myocardium
• Epicardium
• Pericardium

What supplies oxygen to the brain?

• Carotid arteries
• Jugular veins
• Coronary arteries
• Pulmonary veins

The chamber of the heart that pumps blood to the lungs is the

• Right atrium
• Right ventricle
• Left atrium
• Left ventricle

This separates the heart into left and right sides

• tricuspid valve
• aortic valve
• mitral valve
• septum

The vessels that would supply oxygenated blood to the heart itself are called

• carotid arteries
• cardiac arteries
• coronary arteries
• cardiac veins

The chamber of the heart that receives blood from the lungs is the

• Right atrium
• Right ventricle
• Left atrium
• Left ventricle