Answer:
Cells are organized into tissues, which are organized into organs, which are organized into organ systems.
Explanation:
cells are organized into tissues, which are organized into organs, which are organized into organ systems, which form you. And it can be said that the human body is a very organized and efficient system.
where are the answer choices?
I don’t know
B
If a curl-up is the same as a sit-up, then B should be the answer.