Examlex
The collapse of the iron core of an isolated massive star produces a type II supernova.
Reflex Arcs
The neural pathway that mediates a reflex action, involving receptors, sensory neurons, interneurons, motor neurons, and effectors.
Cerebral Cortex
The outer layer of neural tissue of the cerebrum in the brain, responsible for higher brain functions like thought and action.
Inhibitory Neurons
Neurons that reduce the activity of their target neurons, playing critical roles in regulating neural circuits.
Golgi Tendon Reflex
A protective reflex mechanism that helps prevent muscle damage during excessive force generation.
Q9: Pre-main sequence stars (not protostars) on the
Q20: The most easily visible supernova remnant is
Q25: Sunspots tend to occur in groups, or
Q27: If you move an electron from the
Q38: What are the small bits of rock
Q41: Remember Kepler's third law, which relates the
Q48: What is a "hypernova," and how do
Q50: What prediction does general relativity make for
Q68: What keeps red dwarfs from becoming giant
Q70: The center of our galaxy contains a