18 Questions
What is the name of the protein in red blood cells responsible for oxygen transport?
Haemoglobin
What is the primary function of red blood cells?
To transport oxygen from the lungs to the body's tissues
What is the primary function of red blood cells?
To transport gases in the blood
What is the shape of the red blood cell membrane?
Biconcave
What type of tissue is blood classified as?
Connective tissue
What percentage of blood is made up of plasma?
55%
What is the name of the compound formed when haemoglobin binds to oxygen?
Oxyhaemoglobin
What is the estimated number of red blood cells in an adult's body?
20-30 trillion
What is the purpose of the red blood cell membrane?
To form a stable barrier between the cell's interior and exterior
What is the lifespan of red blood cells?
120 days
What is the term for the process of carrying oxygen from the lungs to the body's tissues?
Oxygen transport
How many oxygen molecules can one haemoglobin molecule bind?
4
What is the primary function of haemoglobin in red blood cells?
Transporting oxygen and carbon dioxide
What gives haemoglobin its role as an oxygen acceptor?
The iron atom
What is unique about red blood cells compared to other cells?
They lack a nucleus and other organelles
What is the term for the nucleated cells in the blood that play a role in defending the body against infection and other aggressions?
Leukocytes
In which part of the body does haemoglobin bind oxygen?
Lungs
What is the proportion of haemoglobin in the mass of a red blood cell?
1/3
Test your knowledge about the composition of blood, its functions, and its components. Learn about the different parts of blood and their roles in the human body.
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