Gizmo circulatory system questions and answers 2023/2024

Gizmo circulatory system questions and answers 2023/2024 why do we need blood? - Answer prevent disease/blood loss; regulate pH/body temp/electrolytes; transport oxygen, nutrients, enzymes, hormones to rest of body; transport CO2 and other wastes away from body tissues what organ pushes blood through your body? - Answer heart how many chambers does the heart have? - Answer 4 what do valves do? - Answer keep blood from flowing backward; allow for blood to flow from atrium to ventricles names of the chambers? - Answer right atrium left atrium right ventricle left ventricle which chambers contract during "lub" - Answer left/right atrium which chambers contract during "dub" - Answer left/right ventricle what order does blood flow through the four chambers? - Answer right atrium right ventricle left atrium left ventricle