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Why do xylem vessels have pits etc?
Pits are essentially holes in the xylem walls. Xylem walls are lignified by lignin, a material impermeable to war. The pits allow water to flow between xylem vessels of the plant - this is known as cross flow.
How were the Norfolk broads formed?
They were formed by peat digging and the sea levels rising and flooding the pits!
Are Lymphatic vessels located everywhere?
All over your body. They converge in specific places like your arm pits.
Vessels are formed of?
xylem and phloem
When blood vessels are damaged what is formed?
it was becaue
What is clot of blood formed by blood vessels known as?
ussr
Do the lymph ducts and cistern chili are formed by the merging of many blood vessels?
False
What happens in the proliferation stage of wound healing?
New blood vessels are formed at the site
Why a greenish deposit is found on copper vessels in rain season?
The hydrated copper carbonate is formed.
How is tafoni formed?
Tafoni, also called 'honeycomb weathering' are a group of significant pits formed in the surface of a rock. Very common in coastal areas, where the regular wet-dry cycles are obvious. Caused by differential weathering of the rock, and the 'lands' between the pits are often quite thin and lacy in appearance. The presence of salt is thought to be an important feature of this type of weathering.
How many pits are in la brea tar pits?
La Bara Tar Pits has almost all tar pits outside on the gates
Cerebrospinal fluid is formed from these blood vessels and glial cells that line the ventricular walls?
choroid plexus
