That’s the periosteum. it’s a hard membrane, which muscles and ligaments are attached to, under which blood flows through the bone
I don't know, I ask the same thing, maybe bc it grows to long.
Answer:
The disease hemophilia is caused by a single gene that is located on the X chromosome. Because human females have two X chromosomes (XX), they have two copies of this gene. Since hemophilia is recessive (h), a female must have two copies of the recessive allele to have the disease.
Riverine wetland
slope depressional wetland
flat and fringe wetland