Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions :

Name the structural and functional units of the kidney.

The structural and functional units of kidney.

The basic functional unit of human kidney is

The basic functional unit of human kidney is

The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow: Name the structural and functional units of the part marked 1.

Answer the following questions : Mention two functions of the kidney.

Functional & structural unit of kidney is -

Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow: Name the parts labelled 1 to 4.

Assertion: Kidneys of the vertebrates are retroperitoneal and extracoelomic. Reason: The structural and functional units of the kidneys are nephrons.

Given below is a diagram of a human blood smear. Study the diagram and answer the questons that follow: Name the components numbered 1 to 4.

The diagram given below is an external view of the human brain. Study the same and answer the questions that follow : State the main functions of the parts labelled A and B.