10 Questions
What is the function of the heart and blood vessels in animals?
To transport substances and form the circulatory system
What is the primary function of blood in animals?
Transporting substances like digested food and oxygen
What is the role of red blood cells (RBC) in the circulatory system?
They contain haemoglobin which binds with oxygen and transports it to all parts of the body
Why is the colour of blood red?
Due to the presence of the red pigment called haemoglobin in red blood cells
Which component of blood is primarily responsible for transporting oxygen to the body's cells?
Haemoglobin in red blood cells
Blood is the fluid which flows in blood vessels. It transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the ______ to the cells of the body. It also transports waste for removal from the body.
lungs
Blood is composed of a fluid, called plasma in which different types of cells are suspended. One type of cells are the red blood cells (RBC) which contain a red pigment called ______.
haemoglobin
Haemoglobin binds with oxygen and transports it to all the parts of the body and ultimately to all the ______.
cells
Look at Fig. 7.1. Do you see the heart and the blood vessels. They function to transport substances and together form the circulatory ______.
system
What happens when you get a cut on your body. Blood flows out. But what is ______.
blood
Test your knowledge about the transportation of essential substances in animals and plants, including food, water, oxygen, and waste removal. Explore the circulatory system and other mechanisms for transport in living organisms.
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