Circulatory System Flashcards
What is the main function of the circulatory system?
To transport oxygen, nutrients, and waste products throughout the body.
What are the three main parts of the circulatory system?
The heart, blood vessels, and blood.
What are the two types of circulation in the body?
Pulmonary (lungs) and systemic (rest of the body).
What is the role of red blood cells?
To carry oxygen from the lungs to body cells and remove carbon dioxide.
What component of blood helps with clotting?
Platelets.
What type of blood vessel carries blood away from the heart?
Arteries.
What type of blood vessel returns blood to the heart?
Veins.
What tiny vessels allow for exchange of gases and nutrients with tissues?
Capillaries.
What is the muscular organ that pumps blood throughout the body?
The heart.
Which side of the heart pumps oxygen-rich blood to the body?
The left side.
Which side of the heart sends oxygen-poor blood to the lungs?
The right side.
What structure in the heart prevents backflow of blood?
Valves.
How does the circulatory system help maintain homeostasis?
By regulating temperature, pH, and nutrient distribution.
