Understanding Blood and Circulation

During a science class, Maya learned about the components of blood. What is plasma?

• only white blood cells

• only red blood cells

• fluid part of blood

• hemoglobin

What is the primary function of red blood cells?

• To fight infections

• To transport oxygen

• To clot blood

• To regulate body temperature

Which of the following pathways describes the flow of blood from the heart to the lungs and back?

• Systemic circulation

• Pulmonary circulation

• Coronary circulation

• Lymphatic circulation

During a biology class, Grace learned about the heart's chambers. What is the function of the left ventricle in the heart?

• To pump blood to the lungs

• To receive blood from the body

• To pump blood to the body

• To receive blood from the lungs

What is the main function of white blood cells?

• To transport nutrients

• To fight infections

• To carry oxygen

• To remove carbon dioxide

Which blood vessel carries oxygenated blood from the lungs to the heart?

• Pulmonary artery

• Pulmonary vein

• Aorta

• Vena cava

During a biology class, Emma accidentally cuts her finger with a paper. What role do platelets play in her blood to help her?

• To transport oxygen

• To fight infections

• To clot blood

• To carry nutrients

Which part of the heart is responsible for initiating the heartbeat?

• Atrioventricular node

• Sinoatrial node

• Bundle of His

• Purkinje fibers

What is the largest artery in the human body?

• Pulmonary artery

• Coronary artery

• Aorta

• Carotid artery

What does blood do?

• Carries water to cells

• Carries oxygen to cells

• Carries food to cells

• All of the above 

Tags

NGSS.MS-LS1-3