The Circulatory System

Question 1

functions

Answer 1

• transports : oxygen, nutrients, and waste
• body’s defense
• circulation

Question 2

parts

Answer 2

• blood (without blood flowing throughout the body, parts of the body that need oxygen wouldn’t get any)
• blood vessels (they work to move blood around the body)
• lymph vessels (it is a fluid that returns back waste into the lymph notes)
• heart (it is the main part of the circulatory system)

Question 3

blood vessels

Answer 3

• arteries : carries blood away from the heart
• veins : carries blood toward the heart
• capillaries : carries blood everywhere throughout the body

Question 4

lymph vessels

Answer 4

• these tubes collect the extra fluid from space between body cells and return it back to the body