Explanation

• It is an ionic compound with the chemical formula NaCl.
• It representing a 1:1 ratio of sodium and chloride ions. 
• Table salt is the granulated white salt seen in most saltshakers.
  
• It is typically mined from underground deposits.
• It is commonly known as Sodium chloride.

Last verified on 03-09-2026

Explanation

• Smallest muscle: Stapedius.
• Location: Middle ear.
• Associated bone: Stapes.
• Function: Helps dampen excessive sound vibrations.
• Longest muscle: Sartorius.

Last verified on 03-09-2026

Explanation

• The ovum (egg cell) is generally considered the largest cell in the human body.
• It is the female reproductive cell and can be seen with the naked eye as a tiny dot.
• The ovum is approximately 0.1 mm (100 micrometers) in diameter.
• In contrast, the sperm cell is one of the smallest human cells.

Last verified on 03-09-2026

Explanation

• Largest part: Cerebrum.
• Hemispheres: Two — right and left.
• Main functions: Thinking, memory, intelligence, speech, and voluntary movement.
• Cerebellum: Mainly controls balance and coordination.
• Brainstem: Connects the brain with the spinal cord and controls vital functions.

Last verified on 03-09-2026

Explanation

• The Aorta is the largest artery in the human body.
• It carries oxygen-rich blood from the left ventricle of the heart to the rest of the body.
• It is the main artery of the systemic circulatory system.
• The aorta branches into smaller arteries to supply blood to all body organs except the lungs.

Additional information:

• Arterioles are the smallest branches of arteries.
• They carry oxygenated blood from arteries to the capillaries.
• Arterioles regulate blood flow and blood pressure by constricting or dilating.

Last verified on 21-07-2026

Explanation

• The largest bone in the human body is the femur (the thighbone)
• It is located in the upper leg, between the hip and the knee.
• It supports the weight of the body and helps you walk, run, and stand
• It is about 48 centimeters (18 inches) long.

Additional information:

• The lowest part of the backbone is called the sacrum.
• The smallest bone is the stirrup (stapes).
• The strongest bone for its size is the lower jaw or mandible.

Last updated by NA on 09-09-2026

Explanation

• The largest solid internal organ is the liver.
• It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms.
• It is about the size of a football.

Additional information:

• Skin is the largest external organ of the human body

Last verified on 03-09-2026

Explanation

• Registers are the fastest storage units inside the CPU.
• They temporarily hold data, instructions, and intermediate results during processing.
• Registers are faster than both cache memory and RAM.
• They are directly used by the CPU during instruction execution.

Last verified on 03-09-2026

Explanation

• In MS Excel, pressing Enter after entering data normally moves the selection one cell down.
• This is the default direction of movement after pressing Enter.

Additional information:

• Tab → Cell to the right.
• Shift + Enter → Cell directly above.
• Shift + Tab → Cell to the left.
• F2 → Edit the active cell.

Last verified on 03-09-2026

Explanation

• The Esc (Escape) key cancels the current cell entry in MS Excel.
• It discards the changes made during the active cell entry.

Additional information:

• Enter accepts the entry and moves to another cell.
• Ctrl + S saves the workbook.

Last verified on 03-09-2026