Système Circulatoire Flashcards
What is the primary function of the circulatory system?
To transport oxygen, nutrients, hormones, and waste products throughout the body.
True or False: The heart is a muscle that pumps blood through the circulatory system.
True
Fill in the blank: The two main components of the circulatory system are the __________ and the blood vessels.
heart
What are the three types of blood vessels?
Arteries, veins, and capillaries.
Which type of blood vessel carries blood away from the heart?
Arteries
What is the role of capillaries in the circulatory system?
To facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.
Multiple Choice: Which chamber of the heart receives oxygenated blood from the lungs? A) Right Atrium B) Left Atrium C) Right Ventricle D) Left Ventricle
B) Left Atrium
What is the largest artery in the human body?
The aorta.
True or False: Veins have thicker walls than arteries.
False
What is the primary function of red blood cells?
To carry oxygen from the lungs to the body’s tissues.
Fill in the blank: The __________ system works closely with the circulatory system to help maintain homeostasis.
lymphatic
What is the term for the rhythmic contraction and relaxation of the heart?
Heartbeat.
Multiple Choice: Which type of blood cell is primarily involved in immune response? A) Red blood cells B) White blood cells C) Platelets D) Plasma
B) White blood cells
What is the average resting heart rate for adults?
60 to 100 beats per minute.
What is the role of platelets in the circulatory system?
To aid in blood clotting.
True or False: The circulatory system is also known as the cardiovascular system.
True
What is the name of the valve that prevents backflow of blood from the aorta into the left ventricle?
Aortic valve.
Fill in the blank: The __________ circulatory system carries blood between the heart and the lungs.
pulmonary
What are the two main circuits of the circulatory system?
The pulmonary circuit and the systemic circuit.
What is the function of the systemic circuit?
To deliver oxygenated blood to the body and return deoxygenated blood to the heart.
