What is the function of the septum in the heart?

• To pump blood to the lungs

• To divide the right and left sides of the heart

• To control the heart's rhythm

• To carry blood to the heart

Which chamber of the heart receives blood from the body?

• Right ventricle

• Left ventricle

• Right atrium

• Left atrium

What is the role of the tricuspid valve?

• To separate the left ventricle and aorta

• To separate the left atrium and left ventricle

• To separate the right ventricle and pulmonary artery

• To separate the right atrium and right ventricle

Where is the sinoatrial node located?

• In the left ventricle

• In the right atrium

• In the right ventricle

• In the left atrium

What is the primary function of erythrocytes?

• To fight infections

• To produce antibodies

• To carry oxygen in the blood

• To form blood clots

Which type of blood cell is the body's first defense against illness?

• Basophil

• Eosinophil

• Neutrophil

• Lymphocyte

What is the main role of the pulmonary circuit?

• To circulate blood between the heart and the lungs

• To circulate blood between the heart and the rest of the body

• To carry oxygenated blood to the heart

• To remove waste products from the blood

What is the function of the Purkinje fibers?

• To separate the atria and ventricles

• To produce antibodies

• To trigger coordinated contraction of the ventricles

• To carry blood to the heart

Which valve is also known as the mitral valve?

• Aortic valve

• Bicuspid valve

• Pulmonary valve

• Tricuspid valve

What is the role of a monocyte?

• To mature into macrophages and eat invading organisms

• To produce antibodies

• To carry oxygen in the blood

• To release histamine during allergic reactions