Cardiovascular Anatomy
The chamber of the heart that pumps blood to the systemic circuit.
What is the left ventricle?
The structure where air enters the respiratory systems, is warmed, and filtered.
What is the nasal cavity?
The blood becomes oxygenated in the ________ circuit.
What is the pulmonary circuit?
The respiratory volume of normal quiet breathing (tidal volume).
What is 500 mL?
The leading cause of death for adults in the United States
What is coronary artery disease?
The valve between the left atria and left ventricle.
What is the bicuspid (mitral) valve?
The structure where gas exchange occurs.
What is the alveoli?
The normal resting heart rate range.
What is 60-100 beats per minute (BPM)?
The molecule the flows into the cells during internal respiration.
What is oxygen (O2)?
The respiratory disease caused by the death and enlargement of the alveoli which leads to barrel chests in patients.
The only vein that contains oxygenated blood.
What is the pulmonary vein?
The structure that directs air and food to their appropriate destinations.
What is the epiglottis?
The type of cells in your blood that helps fight infection.
What are leukocytes?
Carbon dioxide travels in the blood by forming this compound.
What is carbonic acid?
Another term for a blood clot.
What is a thrombus?
The structures that anchor the valves in the heart.
What are the chordae tendineae?
The only portion of the respiratory system that air and food pass through.
What is the pharynx?
The pressure within the arteries when the ventricles are relaxed.
What is diastole (diastolic)?
The term for the stoppage of breathing.
What is apnea?
The term for when a lung collapses. Often a symptom of a pneumothorax.
What is atelectasis?
What are the precapillary sphincters?
The thin serous membrane that lines the walls of the thoracic cavity.
What is the parietal pleura?
The segment of an EKG that represents ventricular repolarization.
What is "T wave"?
The amount of air that remains in the lungs after your expiratory volume.
What is the residual volume?
List the steps of atherosclerosis.
What are:
1. Blood vessels damaged by hypertension.
2. Platelets aggregate to injured site.
3. Plaque forms and thickens lumen.
4. Plaque cells die and are replaced by inelastic scar tissue.