Brainpop Blood

In what way is blood the body's liquid messenger?

• Blood delivers electrical messages from the brain to the rest of the body.

• Blood delivers nutrients and oxygen to the body's cells.

• Blood carries nutrients from the stomach to the intestines.

• Blood delivers water to the body's organs.

If you wanted to see red blood cells being created, where would you look?

• Inside your lungs

• Inside your liver

• Inside your bones

• Inside your heart

What can you infer about plasma from the fact that it's almost completely clear?

• It's almost completely made of water.

• It contains a lot of oxygen.

• It helps fight infections.

• It cannot be found in the bloodstream.

Which of these pictures shows an erythrocyte?

• 
• 
• 
• 

What can you conclude about an erythrocyte that's bright red in color?

• It is helping your body heal a cut

• It is fighting a pathogen

• It's full of oxygen

• It is on its way to the lungs to pick up more oxygen

How does a red blood cell attach oxygen to itself?

• With plasma

• With hemoglobin

• With platelets

• With erthryotyes

How do white blood cells compare to red blood cells?

• White blood cells contain more oxygen than red blood cells

• There are more white blood cells than red blood cells

• White blood cells are smaller than red blood cells

• White blood cells are bigger than red blood cells

How do some white blood cells fight invading germs?

• They force them out of the bloodstream.

• They swallow them

• They stun them with special chemicals

• They attach oxygen to them.

What is the main function (job) of platelets?

• Delivering oxygen to your body's organs.

• Fighting invading germs.

• Helping your blood clot.

• Preventing your blood from coagulating.

The average person has around ____ pints of blood.

• 10

• 300

• 3

• 20