Most of the oxygen carried by blood is bound to hemoglobin an iron containing protein which also gives red blood cells their distinctive red colour
For question 3, it would not leak through the whole sandwich because the cell membrane is thick
Your skin has 3 layers. The top layer is called the epidermis. The middle layer is called the dermis. The bottom layer is called the subcutaneous fat.
Answer:
You drew this its not even a question
Explanation:
How do I answer this if theirs no question