Cells have different uses and functions. There must be differentiation/diversity between cells to form a functional organism.
Answer:
B, Carries Carbon dioxide-rich blood from the lungs to the heart
Explanation:
Cardiac muscle is one of the three major muscle types, the others being skeletal and smooth. Some cardiac muscle cells are auto-rhythmic. They contract even in the absence of neuronal innervation. Intercalated disks are located between cardiac muscle cells.
Answer:
Light travels in straight lines.
Explanation:
Once light has been produced, it will keep travelling in a straight line until it hits something else.
Sediment is a name for rocks that have been eroded
