arachnoid
What happens when sound hits a thin membrane is that it vibrates the tympanic membrane. The tympanic membrane is also known as the eardrum.
They have thin walls and they collect blood before it enters the ventricles.
plasma membrane
The cell membrane is the thin layer that holds cells together. Cell membranes are used as barriers and for protection.
The fibula is the thinner bone lateral to the tibia. The fibula is the smaller bone of the lower leg.
the membrane is called the mantel
tympanic membrane
respiratory membrane
the cell membrane is as flexible barrier outside of the cell.
The ear drum. the medical term is the tympanic membrane
Atria don't do nearly the same amount of work of contraction as do the ventricles. They are therefore relatively thin walled. Most of the blood that flows from the atria to the ventricles flows passively, and so the atria function mostly as a reservoir for blood volume.
Atria don't do nearly the same amount of work of contraction as do the ventricles. They are therefore relatively thin walled. Most of the blood that flows from the atria to the ventricles flows passively, and so the atria function mostly as a reservoir for blood volume.