Exam 14: Cardiovascular Physiology

Veins are said to carry deoxygenated blood.Does this mean that there is no oxygen in venous blood? Explain your answer.Are there veins that carry highly oxygenated blood? Again,explain your answer.What color is most venous blood compared to most arterial blood?

Explain what is meant by the contractility of the heart.How is contractility controlled?

Cell junctions in contractile cells are called ________,which consist of two components: ________ and ________.

Left ventricular pressure is higher than pressure in the aorta during