FEH B

John’s body is employing _____ circulation when it sends blood from the heart throughout the body and back to the heart again. Pulmonary. Valve. Systemic. Capillary. John’s heart is a(n): Nerve. Artery. Tissue. Organ. In order to purify his blood, John’s heart will employ _____ circulation to send it to his lungs. Pulmonary. Valve ... ................
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