18 Questions
What is the approximate total number of cells in the human body?
100 trillion
What is the primary function of the red blood cells in the human body?
To transport oxygen from the lungs to the tissues
What is the energy source for cell function in all cells?
Oxygen reacts with carbohydrate, fat, and protein
What is a common characteristic among all cells in the human body?
Basic characteristics that are alike
What percentage of the adult human body is fluid?
60 per cent
What is the role of intercellular supporting structures in the human body?
To hold different cells together
What is the main function of the extracellular fluid?
To provide ions and nutrients to the cells
How many red blood cells are present in each human being?
25 trillion
What happens when cells of a particular type are destroyed?
The remaining cells of that type generate new cells
Why is the extracellular fluid also called the internal environment?
Because it surrounds all cells with the same conditions
Who introduced the term 'milieu intérieur'?
Claude Bernard
How is the extracellular fluid transported throughout the body?
Through the circulatory system
What is required for cells to live, grow, and perform their special functions?
Proper concentrations of oxygen, glucose, and other constituents
What is transported from the cells to the lungs through the extracellular fluid?
Carbon dioxide
What is a key difference between extracellular and intracellular fluids?
Presence of sodium and chloride ions in extracellular fluid
Why is it essential to understand the basic organization of the cell?
To understand the functions of organs and other structures
What is the purpose of special mechanisms for transporting ions through cell membranes?
To maintain ion concentration differences between extracellular and intracellular fluids
How long can cells survive if their surrounding fluids contain appropriate nutrients?
Months or many years
Learn about the basic living units of the body, cells, and their functions. Understand how cells are adapted to perform specific tasks, such as oxygen transportation. Explore the structure and functions of cells in the human body.
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