Category: ZOOLOGY(II Year VIDEO)

This video is about Excretory System. Parts of this system are Kidney, Ureter, Urinary Bladder and Urethra. Kidney and ureter are paired. Wall of urinary bladder is muscular. Adernal gland is present on the top of both kidneys. In T.S. of kidney we can see cortex and medulla. Cortex is outer and medulla is inner part.

Interval notation is a way of writing subsets of the real number line. A closed interval is one that includes its endpoints: for example, the set {x | –3 x 1} To write this interval in interval notation, we use closed brackets [ ]:example-[-3,1]An open interval is one that does not include its endpoints, for example, {x | –3 x 1}. To write this interval in interval notation, use Open brackets()