Circulatory System Flashcards
What is the primary function of the circulatory system?
To transport blood, nutrients, gases, and waste products throughout the body.
True or False: The heart has four chambers.
True
What are the names of the four chambers of the heart?
Left atrium, right atrium, left ventricle, right ventricle.
Fill in the blank: The _____ carries oxygen-rich blood from the lungs to the heart.
pulmonary vein
Which type of blood vessel carries blood away from the heart?
Arteries
What is the name of the largest artery in the body?
Aorta
True or False: Veins have thicker walls than arteries.
False
What is the primary role of red blood cells?
To transport oxygen from the lungs to the body’s tissues.
Which component of blood is responsible for clotting?
Platelets
What is the term for the network of blood vessels throughout the body?
The vascular system
Multiple Choice: Which of the following is NOT a component of blood? A) Plasma B) White blood cells C) Cartilage D) Red blood cells
C) Cartilage
Fill in the blank: The _____ valve prevents backflow of blood from the aorta into the left ventricle.
aortic
What is the function of the pulmonary artery?
To carry deoxygenated blood from the heart to the lungs.
True or False: The systemic circuit carries blood to and from the heart and lungs.
False
What is the role of the septum in the heart?
To separate the left and right sides of the heart.
Which type of blood vessel allows for the exchange of materials between blood and tissues?
Capillaries
Fill in the blank: Blood returning from the body enters the heart through the _____ and _____ veins.
superior vena cava and inferior vena cava
What is the average resting heart rate for adults?
60 to 100 beats per minute
Multiple Choice: Which of the following is a function of the circulatory system? A) Digestion B) Hormone transport C) Respiration D) Excretion
B) Hormone transport
What is the function of the valves in veins?
To prevent the backflow of blood.
