Circulatory/Cardiovascular System Quiz

What is the function of the circulatory/cardiovascular system?

• It transports oxygen throughout the body.

• Carbon dioxide is carried to the lungs by this system.

• Pathogens (bacteria and viruses) are moved to lymph nodes by this system.

• This system carries nutrients to body cells.

The circulatory/cardiovascular system is ___________________system.

• an open

• a simple

• a closed

• an unimportant

What is the function of white blood cells?

• They form scabs.

• They carry oxygen to the body cells.

• They carry nutrients to the body cells.

• They fight pathogens (bacteria and viruses).

• They transport carbon dioxide to the lungs.

Blood is red due to the following facts:

• It contains carbon dioxide.

• Hemoglobin contains iron which attracts oxygen.

• Blood contains plasma.

• It contains platelets.

• Iron combined with oxygen turns blood cells red.

Blood vessels which take blood to the heart are known as ______________________.

• veins

• capillaries

• arteries

• lymphatic vessels

Blood vessels which take blood away from the heart are called ____________________.

• capillaries

• veins

• platelets

• arteries

Capillaries allow the following materials to "move" from these blood vessels into the body cells.

• oxygen

• carbon dioxide

• hemoglobin

• nutrients

The human heart is located under the _______________________.

• sternum

• ribs

• liver

• clavicle

Which of the following is a component of blood?

• red blood cells

• platelets

• plasma

• platelets

• Every answer given is a component of blood.

Which part of blood is made of mostly water, nutrients, and hormones?

• platelets

• white blood cells

• plasma

• platlets