Answer:
Hemoglobin is the iron-containing protein found in all red blood cells (RBCs) that gives the cells their characteristic red color. Hemoglobin enables RBCs to bind to oxygen in the lungs and carry it to tissues and organs throughout the body.
Explanation:
If you don't know how that kind of thing works, you are likely to make mistakes regarding it. If you know how it works, you can prevent yourself from making mistakes that could endanger yourself and/or others.
180 cm converted to feet is 5.90 feet if you have to round then 6 feet but it is exactly 5.9 feet
Answer:
A) Gradual and complete withdrawal from a drug..
