Heart is made up of Cardiac muscle
Explanation:
The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
I believe the answer is B. Carbon is NOT a macronutrient since <span>Nutrients are classified as macronutrients and micronutrients. </span>
It might be fifty percent, because if the heterozygous male married a heterozygous female it should be 100% but since it is only the male then it should be 50%
