Muscle cells do not form different types of tissues, the muscle tissue is one of the 4 basic categories of tissues found in humans
Answer:
An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this function is pumping blood throughout your body. Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle.
Explanation:
You forgot to add the answers but a non living factor that could contribute could be something like temperature.
The organelle that is responsible for regulating what enters and leaves the cell is A.