Match the term, labelled
Match the term, labelled a. through g., with their correct characteristic.
-encircles the heart and secretes a lubricating fluid
A)gap junction
B)HDL
C)functional syncytium
D)heart valve
E)pericardial sac
F)LDL
G)adenosine

Question

Match the term, labelled 
Match the term, labelled a. through g., with their correct characteristic.
-encircles the heart and secretes a lubricating fluid
A)gap junction
B)HDL
C)functional syncytium
D)heart valve
E)pericardial sac
F)LDL
G)adenosine

Quizplus · Accepted Answer

The pericardial sac encircles the heart and secretes a lubricating fluid that reduces friction as the heart beats.

Answer: D
 Heart valves are structures that help regulate blood flow through the heart by opening and closing in response to pressure changes.

Answer: C
 Functional syncytium is a characteristic of cardiac muscle, which allows electrical impulses to spread quickly and efficiently throughout the entire heart muscle, allowing for coordinated contractions.

Answer: A
 Gap junctions are specialized protein channels that allow ions and other small molecules to pass directly between cells, allowing for rapid communication and coordination in the heart.

Answer: F
 LDL (low-density lipoprotein) is a type of cholesterol that can contribute to the formation of plaque in arteries and an increased risk of heart disease.

Answer: G
 Adenosine is a chemical that can be used to help diagnose and treat certain heart conditions, as it can slow down or temporarily stop the heart's beating.

Answer: B
 HDL (high-density lipoprotein) is a type of cholesterol that is considered "good" because it helps remove excess cholesterol from the bloodstream and reduces the risk of heart disease.

Match the Term, Labelled