Circulatory System

What does the circulatory system do?

• Breaks down our food

• Decide our traits

• Transports blood throughout our body

What is the function of the heart?

• To pump blood around the body
• To remove oxygen from the blood
• To allow blood to flow through it 
• To breath

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Which defines a closed circulatory system?

• Interstitial fluid is separate from blood

• Interstitial fluid and blood mix to create hemolymph

Which defines an open circulatory system?

• Blood is separate from interstitial fluid

• Blood and interstitial fluid mix to create hemolymph

arteries function as

• pressure reservoir

• volume reservoir

veins function as

• pressure reservoir

• volume reservoir

Which animals have single circulation?

• bony fishes, rays, and sharks

• reptiles

• amphibians

• birds and mammals

Definition of double circulation

• open system

• closed system

• blood is pumped from both sides of the heart

• blood travels to respiratory circuit and systemic circuit

Which have two atria and one ventricle?

• amphibians, reptiles

• birds and mammals

• bony fishes, rays, and sharks