What is a secondary function of the lymphatic system?

maintaining fluid balance
fighting infection
cleaning the blood
making lymph

is it a or b? or something else?

Fighting infection

Explanation:

Lymphatic system is a type of circulatory system in all vertebrates. It is a network of tissues ,blood vessels, and organs. The primary function of the lymphatic system is to control the fluid balance by collecting the fluid present in excess from the tissues and depositing them in the stream of blood. The secondary function of the lymph system is the production of lymphocytes (white blood cells) which fights against the disease causing pathogens. Hence, fights against infection.

I believe the correcrtanswer is B. Fighting infection.

The lymphatic system has special tissues called the lymph nodes that produce and contain white blood cells to help the body fight infections. Its primary function is to maintain fluid balance and the other function is absorbing fatty acids and transporting fats and chyle to the rest of the body.

During normal functioning of the body, fluids move from blood into tissues as they transport oxygen and nutrients to the tissues and carbon dioxide and other wastes away from the tissues. The fluid that is excess in the tissues needs to be removed from the tissues involved and that is where the lymphatic system functions primarily. The secondary function is fighting infections by producing white blood cells and pooling them in places affected by infections. The white blood cells produced by the lymph nodes of the lymphatic system are classified depending on the arrangement of their nucleuses, cellular granules, color of granules and their shape and size.

The cells include lymphocytes that fight viral infections such as influenza and HIV, neutrophils that fight bacterial infections that cause conditions such as typhoid and step throats, eosinophils that fight parasites that cause diseases such as malaria and trypanosomiasis, basophils that help the body respond to allergies such as in hay fever or allergies to fur from pets, monocytes that also fight bacteria and plasma cells that are specialized types of lymphocytes called B-lymphocytes that fight cancers and viruses. The cells are suspended in lymph and they are transported to any site that is needed to fight infections or disease causing antigens. You can observe the action of lymph nodes when a person gets a cut in his leg. Due to the cut, the lymph nodes in the groin region will start producing many white blood cells to fight the infection on the foot making the corners of the groin to swell in relation to the foot that is affected. Lymph nodes can be found in areas such as the neck, under the chin on both the left and right side, in the armpit region and the groin.

Level: High School

Subject: Biology

Topic: The Immune system

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