Weber HTHS 1111 Final Exam Study Guide Graded A 2024

The heart is positioned in which of the following cavities? diaphragmatic dorsal mediastinum pleural pelvic diaphragmatic Which organ or structure is lateral to the heart? esophagus lung sternum vertebral column lung The semilunar valves are between the: atria and atrioventricular valves atria and coronary sinus ventricles and vena cavae ventricles and the pulmonary trunk and aorta ventricles and the pulmonary trunk and aorta Blood flows from the right atrium, through the tricuspid valve, into the ______________. aorta inferior vena cava left atrium left ventricle pulmonary arteries pulmonary trunk pulmonary veins right atrium right ventricle superior vena cava right ventricle Blood returning to the heart from the lungs enters the left atrium from the ______________. aorta inferior vena cava left atrium left ventricle pulmonary arteries pulmonary trunk pulmonary veins right atrium right ventricle superior vena cava pulmonary veins The left side of the heart takes blood from the ______________ and pumps it to the ______________. body; brain body; lungs lungs; body lungs; spleen lungs; body The pericardial cavity contains: pleural fluid exudative fluid purulent fluid serous fluid serous fluid To provide enough ATP for cardiac muscle contraction, cardiac muscle cells contain additional: