121. Components Of Blood And Their Functions Question Preview (ID: 51012)


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An average person’s body weight is made up of ____________ blood.
a) 7 percent
b) 10 percent
c) 3 percent
d) 20 percent

Your body contains between four and six gallons of blood.
a) True
b) False
c)
d)

One of the most important jobs blood does is transport oxygen or carbon dioxide to each cell.
a) oxygen
b) carbon dioxide
c)
d)

Some of the jobs of your blood include transporting oxygen to the cells, removing carbon dioxide from cells, regulating temperature and fighting diseases.
a) True
b) False
c)
d)

If you go to a lab and they “spin out” your blood; about 45% will be red or white blood cells.
a) red
b) white
c)
d)

Red or White cells contain a protein called Hemoglobin.
a) Red
b) White
c)
d)

Red or White blood cells are made in the marrow of your bones.
a) Red
b) White
c)
d)

White blood cells, called Leukocytes, help the ___________________by fighting germs, bacteria and viruses.
a) kidneys
b) pancreas
c) heart
d) immune system

Plasma makes up to 55 percent of your blood volume.
a) True
b) False
c)
d)

Plasma is made up of ___________water.
a) 10 percent
b) 15 percent
c) 50 percent
d) 95 percent

Plasma also contains glucose, or ____________, electrolytes, hormones and proteins.
a) water
b) sugar
c) red blood cells
d) white blood cells

Platelets are tiny blood cells that help your body form clots to stop bleeding.
a) True
b) False
c)
d)

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