Explanation

• Anemia can be caused by a deficiency of iron or vitamin B9 (folate).
• Iron deficiency impairs hemoglobin production.
• While vitamin B9 deficiency affects red blood cell formation.

Explanation

• The freezing point of water is 0°C (zero degrees Centigrade). 
• The boiling point of water on the Centigrade scale (also known as the Celsius scale) 100°C (one hundred degrees Centigrade).

Explanation

• Air is a mixture of different gases.
• Primarily consisting of nitrogen (78%), oxygen (21%), and trace amounts of other gases.

Explanation

ایک ایسی بیماری ہے جس سے کمزوری ہوجاتی ہے اور جسم میں خون کی کمی ہوجاتی ہےScurvy

Scurvy is a disease caused by a serious vitamin C deficiency.

Not eating enough fruits and vegetables is the main cause of the disease. 

scurvy can lead to bleeding gums, loosened teeth and bleeding under your skin.

Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.

Explanation

• There are around 639 skeletal muscles.
• The three main types of muscle include skeletal, smooth, and cardiac.
• The sartorius muscle is a thin, long, superficial muscle in the anterior compartment of the thigh.

Explanation

Aluminum is the most abundant metal in the Earth's crust, and the third most abundant element therein, after oxygen and silicon.

MOST IMPORTANT KEY POINTS:

Most abundant elements found in air are? (1) Nitrogen (2) Oxygen (3) Argon

Most abundant elements found in earth’s crust are? (1) Oxygen (2) Silicon (3) Aluminum

Most abundant elements found in Universe are? (1) Hydrogen (2) Helium (3) Oxygen

Most abundant elements found in Human Body are? (1) Oxygen (2) Carbon (3) Hydrogen

Explanation

Explanation

The atomic number was discovered by Henry Moseley in 1910.

Henry Moseley was an English physicist.

Explanation

• The breathing centre of human body is lungs.
• Lungs are two soft spongy large balloon like organ located in the chest.
• The delicate lungs are protected by a cage of bones. This cage is called the ribcage.

Explanation

A solar eclipse can only take place during the phase of the new moon

when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.