Cardiovascular system: the heart

The cardiovascular system is made up of the heart, three types of _____ ______ and the blood itself.

(a)  

Which of the following is NOT a function of the cardiovascular system?

• Transport of oxygen and nutrients

• Clotting

• Storage of minerals

• Temperature regulation

When the body is too hot, _____________ takes place to increase blood flow to the skin, where it is cooled.

• Haemoglobin

• Vasoconstriction

• Vasodilation

• Clotting

The cardiovascular system is responsible for transporting oxygen and nutrients around the body. What two waste products are transported away from muscles?

• Carbon dioxide

• Oxygen

• Nitrogen

• Lactic acid

What is the function of a valve?

• Helps blood to clot
• Keeps blood flowing in all directions
• Keeps blood flowing in one direction
• Stops blood from flowing

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

Which is the muscular wall that separates the heart into right and left sides?

• Valves

• Ventricles

• Aorta

• Septum

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

Which part of the heart pumps oxygenated blood?

• Left side
• Right side
• Top side
• Bottom side