the cells and tissues in the body that make it able to protect itself against infection
The invertebrate immune system is devoid of antibodies that detect primarily peptide antigens in the vertebrate immune system.
The immune system plays a crucial role in defending the body against viruses and bacteria.
Malfunctions in the immune system can lead to autoimmune diseases.
Adequate sleep and nutrition are essential for a robust immune system.
Immunizations are designed to bolster the immune system's ability to fight infections.