Answer:
There are two types of bone tissue: compact and spongy. Compact Bone Tissue. Compact bone (or cortical bone) forms the hard external layer of all bones and surrounds the medullary cavity, or bone marrow. It provides protection and strength to bones. Compact bone tissue consists of units called osteons or Haversian systems
Explanation:
A true fruit is a ripened ovary that usually starts ripening when it is
fertilized. And vegetable is any vegetative part of the plant which is
edible and contains stored food probably in the form of starch.
These
definitions are not exact as there are a lot of fruits which are fruits
but do not strictly follow the given definition. See Syconus, Composite
fruits, Sorosis.etc
Classification is based on several different
criteria, for example the mode of reproduction, arrangement and design
of flowering parts and flowers and also on the basis of habitat and
habit.
Annelid and flat worms are mostly related
The structure of lipids is dominated by hydrophobic regions
Lipids are fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water. Lipids include: Fats and oils (triglycerides) Phospholipid
The most abundant membrane lipids are the phospholipids. These have a polar head group and two hydrophobic hydrocarbon tails
To know more about lipids here
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