Answer:
Pacemaker cells are located in the <u>sinoatrial node.</u>
Contractile cells are located in the <u>Heart</u>
Explanation:
Answer:
To replace dead or damaged skin cells.
Explanation:
The correct answer is, no, the IV will be hypotonic causing the cells to explode or expand to the point of combustion.
Animals with bilateral symmetry have a distinct head end
The correct answer is: Galaxies in the universe are moving away from the earth.
