Try to identify the path of blood in the circulatory system. Arrange the following events in blood circulation accordingly by writing numbers 1 to 4 in the buttons. ( )Oxygen-rich blood from the lung capillaries flows to the pulmonary veins and enters the left atrium and then flows to the left ventricle.
( )Oxygen-poor blood from all parts of the body enters the right atrium and flows to the right ventricle.
( )Blood from the right ventricle is pumped to the pulmonary arteries and then to the capillaries of the left and right lungs.
( )Blood enters the lung capillaries surrounding the alveoli where exchange of gases tokes place
Nonsense=Report.
Share
0 Replies