Teeth
The palisade mesophyll is located directly beneath, and then the spongy mesophyll is located beneath that. Both contain large amounts of chloroplasts which carry out photosynthesis.
It is the spongy layer inside plants.
Yes
Spongy bones are not literally spongy. These bones are just extremely porous giving the appearance of looking like spongy material.
Peat.
chlorophyll
Bone marrow is the substance that is found at the core of bones, and is either made of fat or red blood cells depending on the type of bone in question. For spongy bone, the marrow is made of red blood cells.
in its early stages this fossil fuel is a spongy brown material
You can't exactly make on your self. But the ball itself is made from a foamy-rubber material, and then the outside is spongy.
The brain
This material is called peat, and it can be found in bogs throughout the island of Ireland. It is often cut out of the ground and used for fuel in rural parts of the country.
Spongy cokes occur when liquid hydrocarbon material is still present in the coke after the coking process. This often occurs when the heater outlet temperature is not high enough to remove all of the high boiling point hydrocarbons.