Question 22
The filtration units of kidneys are called

(a) ureter
(b) urethra
(c) neurons
(d) nephrons

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Solution

(d) nephrons

The nephron is the basic structural and functional unit of the kidney. It regulates the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine. A nephron eliminates wastes from the body, regulates blood volume and blood pressure, controls levels of electrolytes and metabolites and regulates blood pH. Its functions are vital to life and are regulated by the endocrine system with hormones such as antidiuretic hormone, aldosterone and parathyroid hormone.

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Question 22
The filtration units of kidneys are called

(a) ureter
(b) urethra
(c) neurons
(d) nephrons

Q. The functional unit of a kidney is the

(a) nephron
(b) ureter
(c) urinary bladder
(d) urethra

Question 34
Choose the correct path of urine in our body

(a) $k i d n e y \to u r e t e r \to u r e t h r a \to u r i n a r y b l a d d e r$
(b) $k i d n e y \to u r i n a r y b l a d d e r \to u r e t h r a \to u r e t e r$
(c) $k i d n e y \to u r e t e r s \to u r i n a r y b l a d d e r \to u r e t h r a$
(d) $u r i n a r y b l a d d e r \to k i d n e y \to u r e t e r \to u r e t h r a$

The muscular tube through which stored urine is passed out of the body is called ____. Explain.

(a) kidney

(b) ureter

(d) urinary bladder

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Question 22 The filtration units of kidneys are called (a) ureter (b) urethra (c) neurons (d) nephrons

Question 22
The filtration units of kidneys are called

(a) ureter
(b) urethra
(c) neurons
(d) nephrons