Name That Structure 1
Name That Structure 2
Steps in Blood Flow 1
Steps in Blood Flow 2
Gas Exchange
100

Which vessel distributes oxygenated blood from the heart to the rest of the body?

What is the aorta?
100
The thin, protective membrane that surrounds the heart. 

What is the pericardium?

100

Blood entering the right atrium from the vena cava is coming from where?

What is the body?

100

The vena cava feeds blood into this chamber.

What is the right atrium?

100

Blood returning from the body towards the right atrium has what oxygen content.

What is deoxygenated blood?

200

Another name for the mitral valve.

What is the bicuspid valve?

200
The structure that separates the right side of the heart from the left side of the heart?

What is the septum?

200

The pulmonary artery sends deoxygenated blood to these organs.

What are the lungs?

200

Valve that prevents blood from flowing backward into the left atrium when the left ventricle contracts.

What is the mitral valve?

200

Tiny blood vessels that allow exchange of oxygen and nutrients between blood and cells.

What are capillaries?

300

The sound of the heartbeat is due to these structures and their movement.

What are the valves opening and closing?

300

This cavity houses the heart and lungs.

What is the thoracic cavity?

300

This valve prevents blood from flowing backward into the right atrium when the right ventricle contracts.

What is the tricuspid valve?

300

Blood entering the inferior vena cava is returning from what part of the body?

What is the lower body?

300

The oxygen content of blood entering the aortic arch.

What is oxygenated blood?

400

The vessels that return oxygen-rich blood from the lungs to the heart.

What are the pulmonary veins?

400

This structure separates the thoracic cavity and the abdominal cavity.

What is the diaphragm?

400

Which vessel carries blood from the heart to the lungs to pick up oxygen?

What is the pulmonary artery

400

This chamber contracts blood through the aortic valve and into the aortic arch.

What is the left ventricle?

400

The oxygen content of capillary blood diffusing into the tissues.

What is oxygenated blood?

500

The pointed end of the heart.

What is the apex?

500

The medical term for the cardiac muscle that makes up the heart.

What is myocardium?
500

This chamber contracts blood through the pulmonary valve and into the pulmonary artery.

What is the right ventricle?

500

The pulmonary veins feed blood in this chamber.

What is the left atrium?

500

Blood traveling back toward the heart from body tissues contains a higher amount of what gas?

What is carbon dioxide?