The human heart is _____________

• made of muscle

• pumps blood

• had four chambers

• all of the above

The blood is pumped to the lungs from the heart through the ______________

• aorta

• pulmonary veins

• pulmonary arteries

• ven cavas

The blood comes back to the heart from the body through two big veins called the ____________

• pulmonary veins

• vena cavas

• aortas

• right atria

The blood leaves the heart to the body through the ____________

• aorta

• pulmonary veins

• pulmonary arteries

• vena cavas

the first chamber of the heart the blood from the body enters is the __________

• left atrium

• right atrium

• left ventricle

• right ventricle

Which of the following is the liquid element of the blood?

• platelets

• plasma

• Red blood cell

• white blood cell

The blood vessels in the circulatory system where the exchange of gas takes place are the ____________

• veins

• arteries

• aortas

• capillaries

The correct sequence of heart chambers a red blood cell would pass through as it travels through the heart.

• right atrium - left ventricle - left atrium - right ventricle

• left atrium - left ventricle - right atrium - right ventricle

• left atrium - right atrium - left ventricle - right ventricle

• right atrium - right ventricle - left atrium - left ventricle

Which of the following is not part of the circulatory system?

• heart

• blood

• blood vessels

• lungs

What gives red blood cells their color?

• hemoglobin

• hemoglowbin

• haemoglobin

• heamowglobin