If u looked at a SA cells and cardiac muscle cells under a microscope, do u think they would look the same or different from eac

Question

daser333 [38]

3 years ago

14

If u looked at a SA cells and cardiac muscle cells under a microscope, do u think they would look the same or different from eac

h other? Explain ur reasoning HELP MEE PLSSSSS

Biology

1 answer:

Brilliant_brown [7] · Answer 1 · 2022-08-02T08:28:43+03:00

Brilliant_brown [7]3 years ago

3 0

Answer:

They look a little bit different. SA cells contain fewer mitochondria, fewer myofibers, and a smaller sarcoplasmic reticulum. This means that the SA node cells are less equipped to contract compared to the atrial and ventricular cells.