Question

Explanation
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Answer 1

Answer:

use of urinary tract infection.

B. Choose the correct option.

1. The renal system excretes wastes in the form of

(a) urine

(b) sweat

(c) faeces

2. Which substance/s is/are expelled in urine?

(d) bile

(a) Salts

(b) Urea

(c) Uric acid

(d) All of these

3. Red blood cells are broken down in the

(a) lungs

(b) skin

(c) liver

(d) kidneys

4. Uric acid is produced from the breakdown of

(a) proteins (b) haemoglobin (c) urea

(d) old cells

5. The Bowman's capsule is a part of the

(a) nephron (b) glomerulus (c) alveolus

(d) sweat gland

6. Urine passes into the urinary bladder through the

(a) renal tubule (b) ureters

(c) nephrons

(d) urethra

7. The filtration of wastes from blood occurs in the

(a) renal tubule

(b) Bowman's capsule

(c) ureters

(d) urinary bladder

8. Urinary tract infections can affect

(a) only the urinary bladder

(b) only the kidneys

(c) both the urinary bladder and kidneys

(d) none of these

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Answer 2

Explanation:

Magnetic force-The magnetic force between two moving charges may be described as the effect exerted upon either charge by a magnetic field created by the other.

Frictional force-The external force that opposes relative motion between 2 surfaces in contact.

Electrostatic force-The electrostatic force is an attractive and repulsive force between particles are caused due to their electric charges. The electric force between stationary charged body is conventionally known as the electrostatic force. It is also referred to as Columb's force