Examlex
A radio wave has a frequency of 8.6 * 108 Hz. What is the energy of one photon of this radiation?
Macrophage
A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process known as phagocytosis.
Immune System
A complex network of cells, tissues, and organs that work together to defend the body against harmful pathogens and diseases.
Lymphocytes
A type of white blood cell vital to the immune system, responsible for defending the body against infections and diseases by recognizing and targeting pathogens.
Sympathetic Nervous System
A part of the autonomic nervous system that activates what is often termed the fight or flight response during stressful situations.
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