Cardiovascular System - Structure and Function

Question 1

structures

Answer 1

• heart
• blood vessels
• blood

Question 2

functions

Answer 2

• the heart and blood vessels function to move the blood throughout the body
• the function of the blood is to transport oxygen and nutrients to body tissues and return CO2 to the lungs and waste products to the kidneys and liver
• blood also functions as part of the immune and endocrine systems

Question 3

blood vessels

Answer 3

• function is transportation of blood throughout the body
• there are arteries, arterioles, veins, venules and capillaries
• arteries carry blood away from the heart
• veins carry blood to the heart
• capillaries connect arteries to veins and this is where gases, nutrients and waste products are exchanged with the cells in the body