The pericardial sac or pericardium is a double-layered membrane covering the heart as well as the start of the great vessels.. Its functions are to protect the heart from diseases from other organs, lubricates the heart, controls its dilation and motions and fixes it in medistenum
This description typically refers to a vesicle, which is a tiny sac made of lipid bilayer membrane found inside cells. Vesicles function in transporting molecules within the cell and between different cellular compartments.
The spinal fluid sac, also known as the meninges, serves to protect and cushion the brain and spinal cord from injury. It also helps to regulate the pressure and chemical environment around the brain and spinal cord.
The human anal sac is a small gland located near the anus that secretes fluid to help with lubrication and scent marking. It functions by releasing this fluid when needed, such as during bowel movements or when a person is under stress.
A fluid-filled sac that surrounds an embryo is called an amniotic sac. This sac contains amniotic fluid, which provides protection and cushioning for the developing embryo.
Identical twins do not share a sac during pregnancy. They each have their own amniotic sac and placenta.
the yock sac supplies nutrients
its the ovary
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The yolk sac is initially what gives the baby nutrients before the umbilical cord is formed
The appendix.
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The appendix.
The appendix.
There isn't an air sac in the lungs, They're alveolis that take in the air and expand to improve their surface area, causing your diaphragm to expand and shrink when you breathe, but the function is to allow you to respire.
Pericardium is a noun. The adjectival forms of the word are pericardial and pericardiac, which mean the same thing.
To lower their body density, making it easier to fly.
the function of the pollen sac is to produce pollen (pollen grains). The pollen sac is the microsporangium of a seed plant in which pollen is produced. Most plants except coniferous plants contain four (4) pollen sacs.