Examlex
Which term describes what occurs when a sensory organ detects a stimulus?
Immune System
The body's defense system composed of organs, tissues, cells, and proteins that work together to fight off pathogens and foreign substances.
Sharks
Sharks are a group of elasmobranch fish characterized by their cartilaginous skeletons, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.
Parasitic Ticks
Arachnids that feed on the blood of mammals, birds, and sometimes reptiles and amphibians, often transmitting diseases in the process.
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Q134: Fraternal twins are also called _ twins.