Explanation

The cerebrum is the largest part of the brain.

The largest part of the brain, the cerebrum has two hemispheres (or halves).

The cerebrum controls voluntary movement, speech, intelligence, memory, emotion, and sensory processing.

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RY4-12-2022

Explanation

Caffeine occurs naturally in the tea plant,

Camellia sinensis, so all brewed tea contains some caffeine. 

Tea leaves contain 3.5% caffeine,

while

Coffee beans have 1.1–2.2%.

Explanation

Explanation

The longest bone is the Femur (thigh bone) and the shortest one is the Stapes (one of the 3 small bones inside the ear).

The largest and broadest is the hip bone or pelvis.

The lowest part of the backbone called the sacrum

The smallest bone is the stirrup (stapes) 

The strongest bone for its size is the lower jaw or mandible.

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Explanation

Albert Einstein is one of the most influential physicists of the 20th century.

In 1905 Einstein published four landmark papers in physics.

Einstein was awarded the Nobel Prize for his work on: Special theory of relativity

Albert Einstein received his Nobel Prize one year later, in 1922.

Explanation

The SI unit of temperature as per the International System of Units is Kelvin.

It is represented by the symbol  K.

Note:

Celsius is currently a derived unit for temperature in the SI system, Kelvin is the base unit.

Explanation

Solar cells, also known as photovoltaic cells, convert solar energy (sunlight) directly into electrical energy.

They work by using semiconductor materials to absorb photons from sunlight and release electrons, generating electricity.

Explanation

The Central Nervous System (CNS) comprises the:

These two structures are the core of the nervous system, 

• The brain controls how we think, learn, move, and feel.
• The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body..

Explanation

A strain is when a muscle is stretched too much and part of it tears.

It is also called a pulled muscle.

Explanation

The capacity of an object to do work is called energy.

Energy can take many forms and is defined as the capacity a system or object has to perform work.