a Atrium b blood c blood vessels d heart a 2 What do you call the receiving chambers for blood in the heart? Atria b. myocardium c. pericardium 3 How many times does the heart beat in a minute? d ventricles a 30-40 b 40-50 C 50-60 d 60-100 4 What does the heart pumps to the different parts of the body? a Blood b food nutrients C water d all of them 5 They are pumping chambers and located at the lower part of the heart a Atria b myocardium c pericardium d ventricles 6 What is the approximate size of our heart? c. as big as our fist a As big as our chest b as big as our head d as big as our nose 7 Where is our heart located? a at the center of our chest cavity bleft of the middle of your chest nous! ous! b Behind the lungs d under our stomach 8. They are tubes that carries blood throughout the body a Blood vessels b blood c. tubers d pipes 9 Carry blood that contains nutrients and oxygen away from the heart to the different parts of the body Arteries b capillaries C veins d pipeline 10 What blood vessels serve as the passageway of the blood moving towards the heart? 16 pe a Arteries b. capillaries C veins d. pipeline S. 11 They are tiny vessels that are more than one cell thick about 1 mm long that helps control the amount of heat loss from the body and collect waste products like carbon dioxide from the body cells njoy a Arteries b capillaries C veins d. pipeline 12 It is very essential to human life It is known as the "red river of life" or "the fluid of life" Blood vessels b blood c hearts d water d cells and platelets make up the solid part of the blood while is the liquid part blood cells b white blood cells c plasma d nutrients are also called erythrocytes and are almost 25 trillion found in our blood stream Its main ansport oxygen blood cells b white blood cells c. plasma d. nutrients are called the soldiers of the body because they fight infection b white blood cells c. plasma d nutrients ood cells ERATION Th rts of the circulatory system 16 17 18