What is the surface tension in a cup of water caused by?
Surface tension in water owes to the fact that water molecules attract one another, as each molecule forms a bond with the ones in its vicinity.
What are the attractive forces that increase surface tension?
The surface tension of a liquid results from an imbalance of intermolecular attractive forces, the cohesive forces between molecules: A molecule in the bulk liquid experiences cohesive forces with other molecules in all directions. A molecule at the surface of a liquid experiences only net inward cohesive forces.
What is the attractive force between like molecules involved in capillary action?
what is the attractive force between like molecules involved in capillary action? Cohesion.
Why is capillary action important to life?
Capillary action is important for moving water around. It is the movement of water in and out of your cellular structure that deposits vitamins, nutrients, and vital blood plasma. Without this flow, your body’s cells would not rehydrate and vital communication between your brain and body would slow.
What is the difference between capillary rise and capillary depression?
Capillary is a phenomenon of rising or falling of liquid surface in a small tube compared to the adjacent normal liquid level. The rise of liquid in tube known as capillary rise while depression of fluid level is known as capillary fall.
What is the function of the capillary?
Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells.
What is the meaning of capillary?
1 : a minute thin-walled vessel of the body especially : any of the smallest blood vessels connecting arterioles with venules and forming networks throughout the body. 2 : a tube (as of glass) having a very small bore.
Which is the main vein in your body?
Blood Vessels: Illustrations The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart
Does the body grow new veins?
Eidson says the body can form new blood vessels if a pathway gets blocked, a process called angiogenesis or neovascularization.