18 Questions
What is the main function of the circulatory system in animals?
Transport substances throughout the body
How does blood flow help in transporting substances in the body?
Blood carries substances like digested food, oxygen, and waste to various parts of the body
What is the fluid part of the blood called?
Plasma
What is the function of red blood cells in the blood?
Red blood cells contain haemoglobin which binds with oxygen and transports it to cells
Why is the color of blood red?
Due to the presence of haemoglobin in red blood cells
How does the circulatory system help in removing waste from the body?
Blood transports waste products for removal from the body
What is the name of the vascular tissue responsible for transporting water and nutrients in a plant?
Xylem
What is the function of the phloem in plants?
Transporting food to all parts of the plant
How does water enter into vegetables when they are somewhat dry?
Water can move from one cell to another for very short distances.
Define what a tissue is in the context of organisms.
A group of cells that perform specialized functions
What is the significance of the continuous network of channels formed by xylem in plants?
To transport water to the entire plant
How are water and nutrients transported within a plant?
Through the vascular tissue composed of xylem and phloem
Why does blood appear red?
The presence of haemoglobin
What is the function of white blood cells (WBC) in blood?
To fight against germs
Why does a clot form when there is a cut in the blood vessels?
Due to the presence of platelets
What is the function of arteries in the circulatory system?
To carry oxygen-rich blood from the heart to all parts of the body
What causes the throbbing movements felt in the wrist when checking the pulse?
Due to the blood flowing in the arteries
Why does blood need to be transported to the lungs during inhalation?
To exchange oxygen for carbon dioxide
Learn about the different components of blood including red blood cells, white blood cells, and platelets. Explore how blood clot formation is essential for wound healing and preventing excessive bleeding.
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