Explanation:
Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. ... There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains.
what exactly are you asking here that seems to be a statment
The liver stores a multitude of substances, including glucose, vitamin A, vitamin D<span />, vitamin B12,vitamin K, iron, and copper.
Answer:
A. a device used to prevent pregnancy and disease.
1. Using Sex
2. Making you feel empty inside
3. Paying a Celebrity to endorse it.
4. Implying all your friends have it.
5. Humanizing things and animals.