MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which has lowest pressure?
A
Arteries
B
veins
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Explanation: In the general circulation, the highest blood pressure is found in the aorta and the lowest blood pressure is in the vena cava.

Detailed explanation-2: -The venous side of the circulation is a low-pressure system compared with the arterial side. Pressure within the named veins is usually between 8 and 10 mmHg, and CVP is  0–6 mmHg (3, 9).

Detailed explanation-3: -Blood pressure is highest at the start of its journey from the heart-when it enters the aorta-and it is lowest at the end of its journey along progressively smaller branches of arteries. That pressure difference is what causes blood to flow.

Detailed explanation-4: -Diastolic pressure describes the lowest pressure within the large arteries during heart muscle relaxation between beating.

There is 1 question to complete.