CIRCULATORY TEST

The functions of the circulatory system are..(select all correct answers)

• to move blood through the body

• to carry oxygen and other nutrients to cells on the body

• to move oxygen to the blood stream

• to carry carbon dioxide and other wastes back to the lungs

• sending instructions to the parts of the body

Select the main parts of the circulatory system.

• lungs

• heart

• blood vessels (veins and arteries)

• spinal cord

• blood

Blood vessels that carry blood back to the heart are called

• veins

• arteries

• trachea

• alveoli

Blood vessels that carry blood away from the heart to the rest of the body are called

• veins

• arteries

• larynx

• alveoli

Look at the picture of the heart. A is pointing to the

• right atrium

• left atrium

• right ventricle

• left ventricle

Look at the picture that shows the heart. B is pointing to the

• left atrium

• right atrium

• left ventricle

• right ventricle

Look at the picture that shows the heart. C is pointing to the

• left atrium

• right atrium

• left ventricle

• right ventricle

Look at the picture that shows the heart. D is pointing to the

• left atrium

• right atrium

• left ventricle

• right ventricle

Look at the picture that shows the heart. E is pointing to the

• septum (wall of muscle)

• left atrium

• right pulmonary artery

• aorta

True or false? The red areas show oxygen poor blood and the blue areas show oxygen rich blood.

• true

• false