Contractile tissues have the following features
$(i)$ Mesodermal in origin
$(ii)$ They contain stretch receptors.
$(iii)$ Rhythmic contractions are seen in them
$(iv)$ They do not fatigue during the life of the animal
Which of the above are characteristics of sphincters?
Contractile tissues have the following features
$(i)$ Mesodermal in origin
$(ii)$ They contain stretch receptors.
$(iii)$ Rhythmic contractions are seen in them
$(iv)$ They do not fatigue during the life of the animal
Which of the above are characteristics of sphincters?
- [AIIMS 2015]
- A
All the four
- B
Only $(i), (ii)$ and $(iii)$
- C
Only $(i), (ii)$ and $(iv)$
- D
Only $(i), (iii)$ and $(iv)$
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