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The heart and blood
| Question | Answer |
|---|---|
| What are the four chambers of the heart? | Right atrium , right ventricle , left atrium, left ventricle |
| Which chamber has the thickest wall and why? | the left ventricle because it pumps the blood to the entire body |
| What valve is located between the right atrium and right ventricle? | the tricuspid valve |
| What valve is located between the left atrium and left ventricle? | the bicuspid valve |
| what is the function of the pulmonary valve ? | it prevents backflow of blood from the pulmonary artery into the right ventricle |
| What is the function of the aortic valve? | It prevents backflow of blood from the aorta into the left ventricle |
| what is the name of the membrane that surrounds the heart? | pericardium |
| what are the three layers of the heart wall from outermost to innermost? | epicardium, myocardium, endocardium |
| what structure separates the left and right sides of the heart? | the septum |
| where does blood enter the heart through the body? | through the superior and inferior vena cava into the right atrium |