Their will be fewer competitors in the new habitat
Drop and roll on the floor to extinguish the fire.
The correct answer is (a.) Its spindle-shaped cells allow it to do smooth muscles. The structure of the cardiac muscles which is spindle-shaped is very important for the heart to withstand the stretching of the muscles during the contractions. Also for its smooth surface which is very important to prevent any possible blood clot during circulation.
I think its false because gas exchange can happen in blood also
