NURSING EXAM QUESTIONS
HUMAN ANATOMY PHYSIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Cells
|
|
Tissues
|
|
Genomes
|
|
Organs
|
Detailed explanation-1: -Cells are the basic structural and functional unit of life as they are the smallest unit that can be called living. One complete cell is capable of performing all the physiological activities. Cells combine to form tissues, which are a collection of cells performing a similar function.
Detailed explanation-2: -The smallest functional unit of life is cell, discovered by Robert Hooke in 1665. A cell can independently perform all necessary activities to sustain life. Hence cell is the basic unit of life. There are two types of cells → plant cell and animal cell.
Detailed explanation-3: -The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life.