The correct answer is: A. reduces O2 carrying capacity of hemoglobin in blood.
Lead poisoning is a condition that occurs when a person is exposed to lead. Lead is a toxic metal that can damage the body in many ways, including the brain, kidneys, and nervous system. Lead can also reduce the body’s ability to carry oxygen. Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the rest of the body. Lead can interfere with the ability of hemoglobin to bind to oxygen, which reduces the amount of oxygen that is carried to the tissues. This can lead to a number of health problems, including fatigue, weakness, and anemia.
Option B is incorrect because lead poisoning does not increase the body’s ability to carry oxygen. In fact, it does the opposite.
Option C is incorrect because myoglobin is a protein in muscle cells that stores oxygen. Lead poisoning does not affect myoglobin.
Option D is incorrect because lead poisoning does not increase the body’s ability to carry oxygen. In fact, it does the opposite.