PATHOLOGY

PATHOLOGY MCQ

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Identify a characteristic of capillaries
A
Thick cell wall
B
Small lumen
C
Contain valves to prevent backflow
D
Semi permeable membrane
Explanation: 

Detailed explanation-1: -Capillaries: These tiny blood vessels have thin walls. Oxygen and nutrients from the blood can move through the walls and get into organs and tissues. The capillaries also take waste products away from your tissues. Capillaries are where oxygen and nutrients are exchanged for carbon dioxide and waste.

Detailed explanation-2: -cardiovascular disease. The capillaries are freely permeable to water and small molecules but ordinarily are not highly permeable to proteins and other materials.

Detailed explanation-3: -These vessels are found throughout the body and bring oxygen and necessary nutrients to every cell in the body and remove cell waste. Capillary walls are selectively permeable, allowing some, but not all substances through.

There is 1 question to complete.