Explanation

• Kidney is responsible for removing nitrogenous waste from the human body.
• Human possess mesonephros kidney.
• Kidney stones are caused due to Calcium Dioxide

Explanation

An organ transplant involves removing an organ from a donor and putting it into someone unwell with organ failure.

Organs and tissues that can be transplanted include the

• heart
• lungs
• kidneys
• liver
• skin 
• parts of the eye

Explanation

The system that controls hand movements for playing the piano is the nervous system.

The nervous system, particularly the brain and the peripheral nerves, controls and coordinates muscle movements

Additional information:

Skeleton:

Provides structure and support to the body

Circulatory:

Transports blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body

Immunity:

Defends the body against infections and diseases by identifying and neutralizing pathogens

Explanation

For the protection of ears, Muffs should be used.

They are designed specifically to protect the ears from loud noises 

It can help prevent hearing damage

Explanation

The human system chiefly affected by air pollution is the Respiratory system.

Air pollution can cause a range of respiratory problems, including :

• asthma
• bronchitis
• other lung diseases

Explanation

The hinge joints allow movement in one plane only,

That is up and down or backward and forward.

The fingers, toes, elbows, knees, and ankles contain hinge joints.

Explanation

• The joint where our neck joins the head is a pivotal joint.
• It allows us to bend our head forward and backward and turn the head to our right or left
  

Explanation

The pharynx (throat) is a shared passage for both the respiratory and digestive systems.

The trachea (windpipe) and esophagus both connect to the pharynx:

• The trachea connects to the pharynx anteriorly (front) and leads to the lungs.
• The esophagus connects to the pharynx posteriorly (back) and leads to the stomach.

Explanation

• Forebrain is also known as the cerebrum.
• It is the largest part of the brain.
• It is responsible for higher cognitive functions such as thinking, perception, and voluntary actions.

Explanation

• The artificial kidney machine is called Hemodialysis.
• It filters waste products and excess fluids from the blood when the kidneys are unable to perform this function adequately.