Answer:
C - Unicellular, prokaryotic, autotrophs or heterotrophs
Explanation:
I would say the respiratory system (the lungs) fail. The lungs are to receive oxygen and it sends it to the heart.
I am not much of a biology nerd but I am taking an educational guess.
All I can say that the lungs need oxygen. Without oxygen, the heart will stop pumping blood and you will be suffocating with this essential. That is why you should never smoke and actually take great care of your precious body.
Answer:
I think its B
Explanation:
Characterized by or exhibiting biological specializatiob especialy highly differentiated especially in a particular direction
The answer is A: A Dense Ball Of Solid Metal. No One Can Get to there though. Hope that helps :)
~Spades15
Let's eliminate this one by one.
Animal cell does not have walls. So we can eliminate The third option.
Plant cells does have walls, but they also have well-defined nucleus. So we can eliminate the second option
The leave : A. Prokaryotic as the answer
hope this helps