<span>polar heads outside the cell
non polar head inside the cell</span>
When the cardiac muscle cell is at rest, the concentration of sodium and calcium is greater on the outside of the cell.
The resting membrane potential (the cardiac muscle cell is at rest) is characterized by more negatively charged inside of the membrane comparing to the outside. The main ions found outside the cell at rest are: sodium (Na+), and chloride (Cl−), and Ca2+ whereas inside the cell it is mainly potassium (K+).
Genetic structure, which is inherited by the parents.
A child's eye and hair color are determined by its parents that pass on the genes for red, blonde, brown, black, curly, straight hair, etc, etc.
Hope this helped!!
Answer:
The answer is Fe and CO2 :)
