The answer would be B. :)
Gap junctions in the intercalated discs allow impulses to be spread across the heart more quickly. This is because gap junctions allow particles/signals to pass through, thus making cells with gap junctions more able to interact.
One more thing—you posted this in the physics section rather than biology.
Explanation:
The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
hope it helps
plz mark as brainliest
A vector would be a quantity that has both magnitude and direction.
Answer:
False
Explanation:
Paleobotany is the study of fossil plants.