18 Questions
What is the main function of the circulatory system in human beings and animals?
Supplying food, water, and oxygen to the body
What is the pigment responsible for the red color of Red Blood Cells (RBCs)?
Haemoglobin
Which component of blood is responsible for fighting infections and diseases?
White Blood Cells (WBCs)
What is the function of platelets in the blood?
Clotting blood in wounds
Which chamber of the heart receives blood from the lungs?
Right atrium
What is the role of plasma in the blood?
Transporting dissolved substances and wastes
What is the function of the valves present between the atria and ventricles in the human heart?
To prevent backflow of blood
Which chambers of the human heart are responsible for receiving oxygenated blood?
Auricles
What is the primary role of the right ventricle in the human heart?
Pump blood to the lungs
What is the function of the septum in the human heart?
Separate the left and right sides of the heart
Why is the heart described as a conical, muscular organ?
To pump blood to all parts of the body
Which statement best describes the circulation of blood in the human body?
Blood flows from the heart to different parts of the body and back
Which chamber of the heart receives oxygenated blood from the lungs?
Left auricle
Why is the blood circulatory system in humans referred to as 'double circulation'?
Blood passes twice through the heart in one complete cycle.
What is the purpose of double circulation in humans?
Prevents mixing of oxygenated and deoxygenated blood
What does the rhythmic beating of various heart chambers help maintain?
Circulation of blood
What role do red blood cells (RBC) play in the human body?
Transport of respiratory gases
Why do red blood cells (RBC) lack cell organelles and a nucleus?
To maximize space for hemoglobin
Test your knowledge on blood vessels, circulation, and the transportation of oxygenated and deoxygenated blood. Learn about the permeability of vessel walls, the role of valves, and how diffusion of gases and other substances occurs in the circulatory system.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
