Answer: Pia mater. The pia mater (Latin: tender mother) is a very delicate membrane. It is the meningeal envelope that firmly adheres to the surface of the brain and spinal cord, following all of the brain's contours
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Answer: Lightening
At the end of the third trimester, the baby drops lower into the woman's pelvis. This is known as dropping, or lightening.
Traits heritable only if the similarity arises from shared genotypes
Answer:At heart, all life on Earth uses a membrane that separates the organism from its environment. ... In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.
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