Question

Which statement about the immune system is false?
A. The spleen filters bacteria out of blood B. Lymph contains water and white blood cells C. Mucus,inflammation, and fever all fight pathogens D. Most pathogens are destroyed by macrophages

Answer 1

B. Lymph contains water and blood cells is the false statement.

Explanation:

• Immune system of our body helps us to fight and ward off harmful foreign substances organism that enter our body.
• The components of immune system mainly include the thymus, the spleen, the lymphatic system, , the white blood cells, and the bone marrow.
• Spleen filters out bacteria out of the blood and destroys it.
• Mucus , inflammation and fever all increases and eases the activity of immune system thus, helps in fighting the pathogen.
• Macrophages are  capable engulfing the pathogen and destroy them.
• But lymph not only contains water and white blood cells but also contain several nutrients, fats, hormones and metabolic wastes.