Lymphatic System

It contains red blood cells and protein.

It is composed of water, lymphocytes, oxygen, and digested nutrients.

It moves by skeletal muscle action.

It is a straw colored fluid that goes between capillary blood and tissues.

Lymph vessels

Lymph nodes

Tonsils

Spleen

Produce lymphocytes

Filter harmful bacteria

Store red blood cells

Become inflamed if unable to destroy trapped pathogens

Thymus gland

Thyroid gland

Spleen

Palatine tonsil

Fluid balance

Lymphocyte production

Filtration

Oxygen transport

Lymph nodes act as filters by detecting bacteria and viruses.

Lymph nodes produce red blood cells.

Lymph nodes are only found in the digestive system.

Lymph nodes help in immunity.

Mother’s antibodies to baby

Vaccination

Infection recovery

Antibody production after illness

Natural acquired immunity develops antibodies in response to an infection, while artificial acquired immunity develops antibodies in response to a vaccination.

Natural acquired immunity is temporary, while artificial acquired immunity is permanent.

Artificial acquired immunity is inherited from parents, while natural acquired immunity is not.

Natural acquired immunity only protects against bacterial infections, while artificial acquired immunity only protects against viral infections.