Explanation

• Rickets is a disease caused by a deficiency of Calcium and Vitamin D.
• It leading to softening of the bones in children.
• It can cause bowed legs, stunted growth, and skeletal deformities.

Explanation

Systolic pressure, the top number in a blood pressure reading, represents the pressure in arteries when the heart beats.

A normal value is approximately 120 Torr (mmHg).

Explanation

Tides are primarily caused by the gravitational pull of both the Moon and the Sun.

The Moon has a stronger effect due to its proximity to Earth.

The Sun's gravitational influence also plays a significant role in the tidal patterns we observe.

Explanation

Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium.

Explanation

"The branch of biology that deals with organisms living in the ocean is called marine biology."
:
The term Marine Biology is used to refer to the study of marine organisms and ecosystems.

Explanation

Bituminous coal also called soft coal is middle-rank coal between sub-bituminous and anthracite.

Explanation

Alzheimer's disease is a neurological disorder that primarily affects brain function.

It leading to memory loss and cognitive decline.

Explanation

A sphygmomanometer is used to measure blood pressure and is typically applied to the upper arm.

The cuff inflates around the arm to measure systolic and diastolic blood pressure levels.

Explanation

A sphygmomanometer measures blood pressure in the brachial artery, which is the main artery that supplies blood to the muscles in the upper arm and elbow. 

Explanation

Geologists are scientists who study a planet's solid features, like soil, rocks, and minerals.