The Heart and Blood Vessels (The Heart) Flashcards
Where is the heart located in the human body?
3
It is located between the two lungs
It is pointed slightly to the left-hand side of the chest
It is just above the diaphragm
What type of muscle if the human heart made of?
Cardiac muscle
What is the cardiac muscle of a heart surrounded by?
A double membrane called the pericardium
What is the pericardium?
A double membrane which surrounds the cardiac muscle of the heart
What is found between the double membranes of the pericardium?
Pericardial fluid
Where is pericardial fluid found?
Between the double membranes of the pericardium
What is the function of pericardial fluid?
It helps to reduce friction when the heart beats
What helps to reduce friction when the heart beats?
Pericardial fluid
What is cardiac muscle?
2
It is a special type of involuntary muscle that is slow to fatigue
It is a contractile tissue, which means that it is capable of shortening
