Not necessarily. I have no background on this kind of thing. I would say that they do not only for the facts of 1, where would they get a new heart? 2, I was born with three holes in my heart (I swear to God) and merely got patches. 3, Replacing the heart would be hard so as though when your heart stops beating you die. There would be only a very small space of time that would have to do so.
The answer is c (I think)
Answer:
Parasites
Explanation:
Parasites are found on or in the body of the host and they get food by eating the host's partly digested food therefore, depriving it of nutrients which then deprives the host's ability to reproduce. This energyis diverted into parasite growth. The host's other systems are left intact, allowing it to survive and sustain the parasite.