Anatomy
What is the main organ of the circulatory system?
The heart
What is the main function of the heart in the body?
To pump blood
What is the color of blood when it is oxygenated?
Bright red
Which type of blood vessels carry blood away from the heart?
Arteries
What is the main function of the lungs in the respiratory system?
Gas exchange
How many chambers does the human heart have?
Four
What is the name of the largest artery in the body?
Aorta
What are the three types of blood cells?
Red blood cells, white blood cells, platelets
What are the tiny vessels where oxygen and nutrients are exchanged with tissues?
Capillaries
What gas do we inhale that is needed by the body's cells?
Oxygen
What is the fluid component of blood called?
Plasma
What is a normal resting heart rate for a healthy adult?
Between 60 and 100 beats per minute
How does the body benefit from the platelets in the blood?
They help in clotting to stop bleeding
How are arteries different from veins in terms of structure and function?
Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart
What is the process called where oxygen is taken in and carbon dioxide is released by the lungs?
Breathing or gas exchange