27 Questions
What does this web browser not support?
JavaScript
What is required by this web browser?
JavaScript
What does the message imply about the web browser?
It is outdated
What should a user do to enable JavaScript in their web browser?
Enable JavaScript in the browser settings
What is the reason for the message displayed in the web browser?
Disabled JavaScript support
What action should a user take in response to the displayed message?
Enable JavaScript in the web browser settings
What is the implication of the web browser not supporting JavaScript?
Limited access to certain websites
What is the approximate weight of the heart?
500g
How many times does the heart beat in a day?
100,000 times
Which system is responsible for the distribution of oxygenated blood from the heart to the body tissues?
Arterial system
What is the function of the capillary network in the cardiovascular system?
Exchanging nutrients and waste products with tissues
Which layer surrounds the heart and contains a sac of fluid?
Pericardium
What is the innermost layer of tissue that lines the chambers of the heart called?
Endocardium
What is the primary function of the endocardium?
To provide protection to the valves and heart chambers
Which phase of the heartbeat involves the relaxation of the heart muscle and allows the chambers to fill with blood?
Isovolumetric ventricular relaxation
What is the role of the coronary sinus in the heart's blood supply?
It returns blood to the right atrium
What characterizes capillaries in the circulatory system?
Site of exchange of gases and nutrients with tissues
What differentiates veins from arteries in terms of structure?
Veins have valves to prevent blood from flowing backwards
What is the function of larger arteries in the arterial system?
To withstand high pressure and propel blood forward
What is the approximate volume of plasma in the blood of an adult weighing 70kg?
5.5 liters
Which component of the blood plays a vital role in clotting?
Platelets
What is the main function of white blood cells in the body?
Defending the body
Which of the following is NOT a component of plasma?
Hemoglobin
What are the cell fragments from bone marrow that are essential for clotting called?
Platelets
Which part of the heart is responsible for supplying blood to the heart muscle itself?
Coronary blood supply
What do red blood cells (erythrocytes) contain?
Hemoglobin
Which type of cells are involved in the defense mechanisms of the body?
Leucocytes
Test your knowledge of JavaScript support and enablement in web browsers with this quiz. Explore the importance of JavaScript in web development and its role in interactive web applications.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
