Amoeba Sisters: Circulatory System

Front

What is an atrial septal defect?

Back

A condition where there is an opening in the septum between the heart's atria, allowing oxygen-rich and oxygen-poor blood to mix.

Front

What is the first chamber that deoxygenated blood enters in the heart?

Back

Right atrium.

Front

Which valve allows blood to flow from the left atrium to the left ventricle?

Back

Mitral valve.

Front

What color is human blood inside the body?

Back

Red.

Front

What is the primary function of the circulatory system?

Back

To transport nutrients and gases throughout the body.

Front

What is the role of the right atrium in the circulatory system?

Back

It receives deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What is the function of the left ventricle?

Back

To pump oxygenated blood to the body through the aorta.

Front

What is the purpose of heart valves?

Back

To ensure one-way flow of blood through the heart chambers.

Front

What is the difference between oxygen-rich and oxygen-poor blood?

Back

Oxygen-rich blood is bright red and carries oxygen from the lungs to the body, while oxygen-poor blood is darker and carries carbon dioxide from the body back to the lungs.

Front

What is the significance of the pulmonary valve?

Back

It controls blood flow from the right ventricle to the pulmonary arteries leading to the lungs.