Blood Flashcards

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1
Q

What is the blood made of?

A

plasma, platelets, red blood cells, white blood cells

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2
Q

what does the plasma carry?

A

urea, carbon dioxide, heat, hormones, digested food

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3
Q

what is the role of the red blood cells?

A

carry oxygen to respiring cells

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4
Q

what is the role of platelets?

A

clot blood to prevent excess loss

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5
Q

what are the components of the white blood cells?

A

phagocytes, lymphocytes

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6
Q

what do phagocytes do?

A

engulf and digest pathogens

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7
Q

what do lymphocytes do?

A

produce antibodies to fight pathogens

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