Cardiovascular 1
What is the smooth layer of cells lining the inside of the heart?
Endocardium
What is the muscular middle layer of the heart responsible for pumping?
Myocardium
Through what vessel does blood go when it leaves the right ventricle?
Pulmonary artery(ies) or trunk
What is the valve between the right ventricle and the pulmonary artery called?
Pulmonary semi-lunar valve
What is the valve between the left atrium and the left ventricle?
Mitral or biscupid valve
What is the valve between the left ventricle and the aorta called?
Aortic semi-lunar valve
What is another name for the red blood cells?
Erythrocytes
True or False: Due to the contractions of connective tissue, blood moves through blood vessels to all parts of the body. If false, make it true.
False, Muscle tissue
Fill in the blank. The number of times your heart beats in a period of time is called ______.
pulse
How do the cardiovascular and respiratory systems interact with each other?
The respiratory system brings oxygen into the body and the cardiovascular system distributes oxygen to cells. The cardiovascular picks up waste (C02) from cells, delivers it to the lungs, and lungs get rid of it.
What are blood vessels that carry blood away from the heart called?
Arteries
What causes the "lub-dub" sound of a beating heart?
valves closing
What is the tissue that flows through the circulatory system called?
Blood
What are the blood vessels that carry blood back to the heart called?
Veins
What blood vessels carry oxygen and nutrients to every cell?
Capillaries
True or False: The process of breathing moves blood around the body. If false, make it true.
False. The heart beating
If these arteries become completely blocked, it is called a heart attack.
Coronary arteries
What is the function (job) of valves in the heart?
The function of valves in the heart is to prevent the back flow of blood.
What is the largest artery in the body?
Aorta
What are the upper chambers of the heart called?
Atria
What level of organization of a multicellular organism is blood?
Tissue
Sequence blood flow in the system circuit beginning with the pulmonary veins.
pulmonary veins-left atrium-mitral valve-left ventricle-aortic semilunar valve-aorta-all parts of body except lungs
What is the the lower chamber of the heart called?
Ventricle
What are the two largest veins in the body called empty deoxygenated blood into the right atrium?
Superior and inferior vena cava
What is the medical term for a heart attack?
Myocardial infarction