Heart
The normal pacemaker of the heart.
What is the sinoatrial (SA) node?
These blood vessels are strong, elastic, and carry blood away from the heart.
What are arteries?
Blood traveling to the lungs from the heart moves through this circuit.
What is the pulmonary circuit?
High blood pressure is also called this.
What is hypertension?
This U.S. state has more lakes than any other.
What is Alaska?
This valve is located between the right atrium and right ventricle.
What is the tricuspid valve?
The longest vein in the body.
What is the great saphenous vein?
Blood from the face and scalp drains through this vein.
What is the external jugular vein?
This layer of an artery is the innermost layer.
What is the tunica intima (endothelium)?
This common food never spoils, even after thousands of years.
What is honey?
The first heart sound occurs when these valves close.
What are the AV (atrioventricular) valves?
The largest artery in the body.
What is the aorta?
The second artery to branch off the aortic arch.
What is the left common carotid artery?
This type of muscle in arteries allows for vasoconstriction and vasodilation.
What is smooth muscle?
This animal’s heart only beats 6 times per minute when it hibernates.
What is a bear?
The right atrium receives blood directly from these vessels.
What are the superior vena cava, inferior vena cava, and coronary sinus?
The celiac trunk branches off this major artery.
What is the abdominal aorta?
Venoconstriction increases these three things.
What are blood pressure, blood flow within the vein, and return of blood to the heart?
The myogenic response is when vascular smooth muscle responds to this stimulus.
What is stretch?
This is the most common letter in the English language.
What is E?
This part of an ECG corresponds to atrial depolarization.
What is the P wave?
These small vessels allow for gas and nutrient exchange between blood and tissues.
What are capillaries?
Trace a drop of blood from the right knee to the right ventricle.
What are the popliteal vein → femoral vein → external iliac vein → common iliac vein → inferior vena cava → right atrium → right ventricle?
This is the effect of vasoconstriction on blood pressure.
What is an increase?
This fruit has its seeds on the outside rather than inside.
What is a strawberry?