satellite cells
astrocytes
Water would be the most abundant substance but if you're asking about elements then oxygen would make up the greatest percentage of body mass.
The most abundant element in the universe is Hydrogen (H). The second most common is Helium (He). However, these are only found in trace amounts on Earth. Add: Most elements are metals.
sedimentary
35Cl: 75,77 %; the atomic mass of this stable isotope of chlorine is34,968 852 68(4).
The type that burns.
Coal power plants are the largest source of power in Michigan.
The most abundant type of stars is red dwarves.
microglia
Igneous. Basalt is the most abundant in oceanic crust and granite is the most abundant in continental crust.
The most abundant worm on the planet is not a nematode like i said in the last answer it is the earthworm.
Hyaline cartilage is the most common, abundant type of cartilage found in the body.
Of the three muscle types (cardiac, smooth, skeletal), skeletal muscle is the most abundant.
Granite.
the ocean.
Epithelial
apratritrie
the ocean.