0
What else can I help you with?
What is free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
What makes antibodies in the body?
Yes, by certain white cells in the blood. Some of these cells produce free floating antibodies while others present their antibodies on their surface receptors. These different systems fight infection by different kinds of organisms.
How will you keep your blood vessels free from deposit?
Stay away from fats and high cholesterol and exercise regularly.
What is microvilli'?
Tiny projections on the free surface of some epithelial cells; increase surface area for absorption
Why should urine be free of blood cells?
Because signs of blood in you urine can be a sign of something serious.
What would happen to a person blood osmolality when drinking seawater?
When you drink seawater, a high concentration of salt finds its way into your blood vessels. As a result, you have a higher concentration of solutes (salt molecules, in this case) on the outside of your blood cells than in your blood cells-- there is a hypertonic solution on the outside of the blood cells. Your body wants to keep solutions isotonic across the membranes-- that means your body wants the same amount of free water molecules on the inside of the blood cells as the outside-- so water molecules move out of the blood cells in order to keep the balance of free water molecules. The water moving out of the blood cells cause them to "crenate," or shrink, which is of course not very good for your cells.
How is a red blood cell different to a normal cell?
The biggest difference they have from most other cells is that they have no nucleus, they also have to mitochondrion. Another big difference that is so obvious it is often unnoticed, they are free floating in the plasma. Almost all other cells are bound to neighbours by cell junctions but RBCs are free to move around.
Are there neutrons in the human blood?
Neutrons are a component of atomic nuclei and are not found as free particles in blood. Blood primarily consists of cells (red blood cells, white blood cells, platelets) and plasma (a liquid portion containing water, electrolytes, proteins, etc.), which do not contain neutrons.
What is in blood other than the cells?
The plasma (liquid part), free antibodies, etc.
What is the free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
Why is the apical surface considered to be a free surface?
The apical surface is considered a free surface because it is exposed to the external environment or a body cavity without being in direct contact with neighboring cells. This allows for functions like absorption, secretion, and sensory reception to occur at this surface.
All cells attached to the basement membrane but not all cells reach free surfaces is a description of what?
This describes the simple columnar epithelium tissue. In this tissue, all cells are attached to the basement membrane, but not all cells reach the free surface, as some may be buried below the apical surface of the tissue layer.
