The structure of plasma membrane makes it selectively permeable allowing it to regulate the passage of substances into and out of the cell. Small nonpolar molecules can easily across the phospholipid bilayer of plasma membrane because it is hydrophobic. Polar molecules and ion cannot easily across the hydrophobic portion of plasma membrane because it is hydrophilic. Polar molecules and ions usually across the plasma membrane with the help of transport proteins.
They hypothalamus is responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system. It controls body temperature, hunger, thirst, fatigue, sleep etc. It is located in the brain below the thalamus.
Precipitation, because when water evaporates it then condenses into clouds and releases precipitation(Liquid water) back into the cycle to balance it.
The answers are :
The pelvis is rotated inward
The spine contains a lumbar curve
The big toe is enlarged