Circulatory System: Question Preview (ID: 31193)

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The system of the body responsible for transporting blood, wastes and nutrients to all cells of the body.
a) Circulatory
b) Respiratory
c) Reproductive
d) Digestive

The muscular pump that moves blood through blood vessels
a) Lungs
b) Artery
c) Heart
d) Liver

The upper chamber of the heart
a) ventricle
b) artery
c) vein
d) atrium

Lower chamber of the heart
a) ventricle
b) atrium
c) valve
d) heart sounds

The group of cells that maintains the proper beat of the heart
a) atrium
b) ventricle
c) pacemaker
d) Rh factor

This flap of tissue prevents blood from flowing backwards.
a) pacemaker
b) valve
c) vein
d) artery

The closing of the heart valves creates this.
a) Heart sounds
b) red blood cells
c) platelets
d) pacemaking

Blood vessels flowing away from the heart
a) Vein
b) aorta
c) vena cava
d) artery

Blood vessels flowing towards the heart
a) Vein
b) aorta
c) vena cava
d) arteries

Blood vessels where gas exchange occurs at all the cells of the body.
a) Veins
b) Capillaries
c) Arteries
d) Lungs

Cells of the blood specialized to carry oxygen and carbon dioxide
a) Red blood cells
b) White blood cells
c) platelets
d) Plasma

Cells of blood specialized to fight infection
a) red blood cells
b) blue blood cells
c) white blood cells
d) platelets

The liquid portion of the blood
a) Plasma
b) Platelets
c) red blood cells
d) white blood cells

The part of blood responsible for clotting blood during an injury
a) red blood cells
b) platelets
c) white blood cells
d) plasma

Which of the following is not a type of blood?
a) Type A
b) Type B
c) Type O
d) Type R

The protein found of red blood cells that makes them red, and carries the gasses on the red blood cells.
a) hemoglobin
b) oxyglobin
c) ribosomes
d) mitochondria

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