Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?

Which tiny blood vessels allow the exchange of oxygen nutrients and waste between blood and body tissues?

Which chamber of the heart pumps oxygenated blood out to the rest of the body?

Which blood vessels carry deoxygenated blood back to the heart from body tissues?

Which flexible connective tissue cushions joints and is found in structures like the ear and nose?

Which blood vessels carry oxygenated blood away from the heart to the rest of the body?

Which soft tissue found inside bones is responsible for producing new blood cells?

Which structure in the heart prevents the backward flow of blood between chambers?

Which gas exchange membrane structure in the lungs maximizes surface area for efficient breathing?

Which muscle separates the chest cavity from the abdominal cavity and assists in breathing?

Which membrane surrounds the lungs and reduces friction during breathing movements?