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what is the cardiovascular system composed of?

heart and blood vessels

there are two circuits of blood vessels. what are they?

pulmonary and systemic circuits

What brings deoxygenated blood to lungs and deposits excess carbon dioxide

pulmonary circuit

what brings oxygenated blood to body tissues and removes carbon dioxide

systemic circuit

how long is the average adult heart

14 cm long 9 cm wide

the heart is located within portion of thoracic cavity called


the heart is bounded laterally by the what?


in the posterior the heart is bounded by what?

esophagus and vertebral column

in the anterior, the heart is bounded by what?


the superior portion of heart is called ?


the interior portion of heart is alled the


the heart points slightly to left, terminating just above what?


the base of the heart is beneath what?

second rib

where does the apex lie?

below space between fifth and sixth ribs

A person who receives an injection of antibodies or antitoxin has

artificialy aquired passive immunity.

When antibodies pass through placental membrane from pregnant woman to her fetus, the fetus develops

naturally aquired immunity.

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