Cardiovascular Sytem

During a biology class, Isla is asked to identify the upper chambers of the heart. What are they called?

• atria

• ventricles

• superior vena cava

• aorta

During a biology class, Priya is learning about the human heart. Her teacher asks her which parts of the heart are known as the lower chambers. What should Priya answer?

• atria

• ventricles

• vena cava

• aorta

Mia is studying the human heart in her biology class. She wants to know which valve is located between the left atrium and the left ventricle. Which valve should she identify?

• pulmonary valve

• aortic valve

• tricuspid valve

• bicuspid/ mitral valve

During a biology class, Evelyn is learning about the human heart. Her teacher asks her which valves lie between the right and left atrium and the right and left ventricles. What should Evelyn answer?

• atrioventricular valves

• semilunar valves

• vena cava

• aortic

Liam is studying the human heart and wants to know which chamber receives blood returning from the body. Which of the following should he choose?

• left atrium

• right atrium

• left ventricle

• right ventricle

While studying for her biology exam, Charlotte reads about the two-layered sac that surrounds the heart. What is this structure called?

• epicardium

• myocardium

• pericardium

• endocardium

Liam is learning about the human body in science class. His teacher asks him which blood vessels carry oxygen and nutrient rich blood away from the heart. What should Liam answer?

• arteries

• veins

• capillaries

• arterioles

During a biology class, Grace learns that certain blood vessels carry blood containing carbon dioxide and waste products back to the heart. Which blood vessels are these?

• arteries

• veins

• capillaries

• arterioles

During a medical class, Zoe observes a blood sample under a microscope. She notices that the blood contains various cells suspended in a liquid portion. What is this liquid portion of the blood called?

• plasma

• lymph

• serum

• erythrocytes

Emma is learning about the human body in her science class. She wants to know which cells are responsible for carrying oxygen in the blood. What are these cells called?

• erythrocytes

• platelets

• leukocytes

• thrombocytes