B3 Heart and blood vessels Flashcards
Give the function of the heart
An organ that pumps around the body
Name the chamber labelled A
Right atrium
What is the purpose of the circulatory system?
Carriers oxygen and other useful substances to bodily tissues
and removes waste substances
Name the blood vessel labelled A
Vena cava
How does a double circulation system work?
Right side of heart pumps blood to lungs to exchange oxygen and carbon dioxide
Left side of heart pumps blood to the rest of the body
Name the top chambers in the heart
Left and right atrium
Name the bottom chambers in the heart
Left and right ventricle
Where does blood pumped by the right ventricle go?
Lungs
Where does the blood pumped by the left side of the heart go?
Body tissues
Which side of the heart pumps blood to the lungs?
Right
Name the chamber labelled B
Left atrium
Where does the left side of the heart pump blood to?
Rest of the body
Name the blood vessel that delivers deoxygenated blood to the right atrium
Vena cava
Why is the wall of the left ventricle thicker than the right ventricle?
Has to pump blood at higher pressure around the whole body.
Name the chamber labelled C
Right ventricle