IB biology 6.2 Heart structure

Which of the following is a chamber of the heart?

• ventricle

• septum

• aorta

• tricuspid valve

Blood travels from the lungs into the

• left atrium

• right atrium

• left ventricle

• right ventricle

A function of valves is to

• increase blood flow

• make a noise when the heart beats

• allow flow of blood in only one direction

• prevent blood from moving from one side to the other side of the heart

Which is correct about structures 2 and 6?

• structure 2 brings blood to the heart and 6 is the right ventricle

• structure 2 carries blood away the heart and 6 is the left ventricle

• structure 2 brings blood to the heart and 6 is the left ventricle

• structure 2 brings blood to the heart and 6 is the left atrium

Blood travels from the

• right ventricle into the left ventricle

• left ventricle into the left atrium

• right atrium into the right ventricle

• left atrium right ventricle