Answer: The correct answer is option (C) i. e. Reduced number of lymphocytes in the human body.
Explanation: HIV attack on the immune system of human body and reducing the number of white blood cells which are responsible for the defence of body against bacteria, viruses etc. HIV virus cannot reproduce and grow on its own. The HIV virus attached to the white blood cells and goes inside the white blood cells and start growing and grow in number.
Stockmanship is a term more common in the beef cattle industry and can be defined as the art and science of handling cattle, or any other farm animal, properly.
Macrophages can be defined as a phagocytic leukocyte that can engulf a foreign bacterium.
They are cells found in the immune system as mobile white blood cells that are usually develop in response to a dead or damaged cells and even in cases of an infection.
