Circulatory System

What is the main function of the circulatory system?

• To control and coordinate all the functions in the body

• To circulate nutrients, gases, and waste around the body

• To circulate nutrients in the digestive system

• To move gases into and out of the lungs

Blood that leaves the LEFT side of the heart is pumped to

• the body

• the lungs

• the right side of the heart

• None of the above

What happens to blood at the lungs?

• Oxygen and carbon dioxide enter the blood

• Oxygen enters the blood and carbon dioxide leaves the blood

• Carbon dioxide enters the blood and oxygen leaves the blood

• Oxygen and carbon dioxide leave the blood

What is pulmonary circulation?

• The circulation of blood from the heart to the body

• The circulation of blood from the heart to the head

• The circulation of blood from the heart to the lungs

• The circulation of blood from the lungs to the body

What is systemic circulation?

• The circulation of blood from the heart to the body

• The circulation of blood from the heart to the lungs

• The circulation of blood from the lungs to the body

• The circulation of blood from the body to the liver

What is released by the cells in exchange for oxygen?

• More oxygen

• Carbon Dioxide

• Carbon Monoxide

• Nutrients

Tags

NGSS.MS-LS2-3

Which vessels are thick and muscular and carry blood away from the heart?

• Arteries

• Capillaries

• Veins

• Heart

In which blood vessels do nutrients, gases, and waste pass into and out of the blood?

• Arteries

• Liver

• Veins

• Capillaries

Which blood vessels have valves to help keep blood flowing back towards the heart?

• Arteries

• Capillaries

• Veins

• They all do

Why do capillaries have thin walls?

• So that it is hard for substances to pass into and out of the capillaries

• So that lactic acid builds up

• So that nutrients gases and waste pass into and out of blood across the walls of the capillaries easily

• Capillaries have thick walls