Cells, Tissues And Organs Of The Cardiovascular System

Question 1

What does the cardiovascular system do?

Answer 1

It carries oxygen and nutrients to all the cells in the body
Also picks up and gets rid of carbon dioxide and other waste products
Also plays a part in protecting the body from infections and blood loss
Maintain body temperature and fluid balance

Question 2

What are the the three main components of the cardiovascular system?

Answer 2

Heart
Blood vessels
Blood

Question 3

What are the components of the heart wall?

Answer 3

Pericardium/epicardium
Endocardium
Myocardium

Question 4

What is the pericardium/epicardium?

Answer 4

The outer and protective layer,
It’s a membrane that is made up of connective tissue and covered by epithelium
It’s a fluid filled sack that surrounds the heart and the proximal ends of major vessels

Question 5

What is the need for fluid in the pericardium?

Answer 5

It stops friction and allows the heart to continue to move smoothly

Question 6

What is the endocardium?

Answer 6

It is the most important part of the heart wall
Composed of endothelium- a thin layer which line the interior of the heart and blood vessels and determine the health of the blood vessels

Question 7

What is the myocardium?

Answer 7

It is made largely of cardiac muscle tissue that is responsible for forcing blood out the heart chambers
Heart muscle is a single function organ that makes it different from other muscles