STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
Maximum surface area of circulating system is seen in
A
Heart
✓
Capillaries
C
Arterioles
D
Veins
✓
Answer
Correct option: B.
Capillaries
b Capillaries are microscopic and smallest blood vessels. Their exceedingly thin walls consists of just a thin tunica interna. Most tissues have a rich capillary supply but cartilage and epithelia lack capillaries. Capillaries do not function independently, instead they tend to form interweaving networks called capillary beds. The true capillaries number $10 - 100$ per capillary beds depending on the organs or tissues served
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