ANATOMY

GENERAL ANATOMY

ANATOMY OF THE HEART

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which fluid decreases friction during heart activity?
A
synovial fluid
B
mucous
C
serous fluid
D
blood
Explanation: 

Detailed explanation-1: -Pericardial fluid is secreted by pericardial cells, and it is this fluid that reduces friction between the parietal and visceral layer during heart contractions.

Detailed explanation-2: -The pericardium secretes a small amount of serous fluid that fills the pericardial cavity and coats the two pericardial layers which serves as a lubricant to reduce friction as the heart expands and contracts.

Detailed explanation-3: -Serous pericardium: This is the inner layer of your pericardium. It’s actually made of two layers, described below. Your serous pericardium produces pericardial fluid that lubricates your heart as it beats.

Detailed explanation-4: -A fibrous sac known as the pericardium surrounds the heart. This sac is made of two thin layers with a small amount of fluid between them. This fluid reduces friction between the layers as they rub against each other when the heart beats.

Detailed explanation-5: -The pericardium is a membrane like a sac that surrounds the heart and its major blood vessels. Normally there is a small amount of fluid between the pericardium and the heart that helps cushion the heart and reduces friction between the heart and the pericardium when the heart beats.

There is 1 question to complete.