Examlex
All planets orbit the Sun in the same direction.
Connective Tissue
Tissue that supports, binds together, and protects organs. It includes various types, such as bone, cartilage, fat, blood, and lymphatic tissue.
Astrocytes
Star-shaped glial cells in the brain and spinal cord, involved in physical support and maintenance of the blood-brain barrier.
Blood-Brain Barrier
A selective barrier that prevents certain substances from entering the brain from the blood.
Autonomic Nervous System
The part of the nervous system that controls involuntary actions of the body, such as heart rate and digestion.
Q12: Who first discovered moons around a planet
Q12: During which season (in the Northern Hemisphere)
Q37: Based on the photo shown below, this
Q39: Explain how pictures such as the one
Q43: What measurement tells us that the interiors
Q46: Kepler's third law says that a comet
Q62: Which is NOT a reason for the
Q71: When a solar eclipse occurs, typically more
Q79: Hans Lippershey invented the telescope in the
Q81: Earth-sized planets have been found using the