Explanation

The cell membrane of cardiac muscle cells maintains an electrochemical gradient of sodium (Na⁺), potassium (K⁺), and calcium (Ca²⁺) ions.

These ions are crucial for generating and transmitting electrical impulses that cause heart contractions.

Explanation

Correct posture shows physical health, self-discipline, and confidence.

It reflects a positive personality, making a person appear more alert and self-assured.

Explanation

Explanation

Muscular endurance is the ability of muscles to perform repeated actions over a long period without fatigue.

It is essential for activities like running, swimming, and cycling.

Explanation

The human trunk includes:

• Vertebral column: 26 bones
• Ribs: 24 bones (12 pairs)
• Sternum: 1 bone
• Hyoid bone: 1 bone (sometimes included)
• Coccyx: 4 fused bones (counted as 1)

Total: 26 (vertebrae) + 24 (ribs) + 1 (sternum) + 1 (hyoid) + 4 (coccyx, counted as 1) = 58 bones

Explanation

In the RICES formula for injury treatment (Rest, Ice, Compression, Elevation, Stabilization), "C" stands for Compression.

Compression helps reduce swelling and internal bleeding after an injury.

Explanation

In a T20 match (20 overs per team), each bowler is allowed a maximum of 4 overs (since 20 ÷ 5 = 4).

In a One Day International (ODI) match (50 overs per team), a bowler can bowl a maximum of 10 overs (since 50 ÷ 5 = 10).

Explanation

The shooting circle in netball has a diameter of 4 meters (or 4.9 yards).

Only the Goal Shooter and Goal Attack can shoot from within this area.

Explanation

"A good dentist" is used for the first general mention (indefinite article).

"The dentist" refers to the same specific person already introduced (definite article).

Explanation

Haughtiness means  گمان ۔ گھمنڈ