Explanation

• Camels have a special water storage space in their humps, which store fatty tissue.
• When food and water are scarce, the camel's body metabolizes the fatty tissue in the hump, providing energy and water.
• This allows camels to survive for extended periods without water.

Explanation

Calcium is crucial for:

• Building and maintaining strong bones and teeth
• Muscle function and contraction
• Nerve function and transmission
• Blood clotting and wound healing

Explanation

Vitamin K is essential for blood clotting and plays a crucial role in the production of platelets, which are vital for stopping bleeding when you're injured.

Vitamin K deficiency can lead to bleeding disorders, easy bruising, and poor wound healing.

Vitamin K helps to:

• Activate clotting factors in the liver
• Produce platelets in the bone marrow
• Form blood clots to stop bleeding

Explanation

Vitamins play a crucial role in protecting us from many diseases, such as:

• Vitamin C: boosts immune system, fights off infections
• Vitamin D: essential for bone health, prevents rickets and osteomalacia
• Vitamin E: acts as an antioxidant, protects cells from damage
• Vitamin K: necessary for blood clotting, prevents bleeding disorders

Explanation

The life cycle of a bee:

• Egg: Laid by the queen bee in the honeycomb cell.
• Larva (Grub): Hatches from the egg, fed royal jelly and pollen.
• Pupa (Cocoon): Transforms into a pupa, undergoing metamorphosis.
• Bee (Adult): Emerges from the pupa, ready to fly and perform colony tasks.

Explanation

• The thickness of skin is around 2 millimeters (0.08 inches) thick.
• The skin has two main layers (epidermis - outer layer) and the (dermis - inner layer).
• The epidermis is about 0.05-1.5 millimeters thick.
• The dermis is about 1-4 millimeters thick.

Explanation

According to the World Health Organization (WHO), the industrial limit of sound in industries must be 75 dB (Decibels).

Explanation

The life cycle of a frog:

• Frogspawn (Eggs): Laid by the female frog in water.
• Tadpoles (Larvae): Hatch from eggs, aquatic, and feed on algae.
• Froglet (Young Frog): Undergo metamorphosis, develop limbs, and lose tail.
• Frog (Adult): Fully developed, breathing air, and reproducing.

Explanation

• In a normal man, the average heart beat is 72 times per minute.
• But it may vary from 70-80 beats per minute.

Explanation

• During breathing, the clean, moist, and warm air enters the windpipe called the Trachea.
• The trachea is also known as the windpipe.
• It is a tube that connects the throat (pharynx) to the lungs, allowing air to pass through during breathing.