Fayazu uses microscope to identify blood vessels. He observed large lumen and valve on the vessels. He concluded that it is artery. Is Fayazu's conclusion correct? Justify.
Sadly Fayazu's incorrect. Artery has narrow lumen and thick muscular walls. Fayazu is observing veins!
Which blood vessel is the pulmonary artery?
A is pulmonary artery. Do you what B, C and D represent?
Find the represented letters that answers the question shown.
C. Q is a vein and it has fairly large lumen compared to P the artery. Hence, lower pressure as the muscle is thinner!
Figure shows the double circulatory system. Find the represented letters that answers the question shown.
A. As it is the double circulatory system, it will pass through the heart twice. & the heart always acts as the middleman by pumping them blood!
Using the letters provided, in which order does blood pass through the chambers as it returns from the lungs during a complete circuit?
Q > R > P > S! The oxygenated blood will pass through left side first before become deoxygenated and return to right side.
Which blood vessel contains blood at the highest pressure?
C the aorta! Artery needs to withstand high pressure as it carries blood away from the heart. Aorta has the highest as it carries to the ENTIRE body!
What happen to valves 1,2,3,4 as blood is being pumped to the lungs?
1,2 closed while 3,4 opens. (Curious? Check out: https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Latidos.gif/240px-Latidos.gif)
State the function of the cell labelled X.
X is a red blood cell and it is responsible in the transport of oxygen.