Blood
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Blood. 1. What are the main functions of blood?. A. Transports O 2 , CO 2 , nutrients, wastes, & hormones B. Regulates body temperature and pH C. Protection by: 1. s topping fluid loss by clotting 2. protects against disease. 2. What is blood made of?. Plasma water

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Blood

Blood


1 what are the main functions of blood

1. What are the main functions of blood?

A. Transports O2, CO2, nutrients, wastes, & hormones

B. Regulates body temperature and pH

C. Protectionby: 1. stopping fluid loss by clotting

2. protects against disease


2 what is blood made of

2.What is blood made of?

  • Plasma

  • water

  • Plasma proteins

  • 1% carbs, lipids, vitamins, hormones, & electrolytes

  • Cells


3 name the 3 types of blood cells their function

3. Name the 3 types of blood cells & their function.

1. Red Blood Cells

  • transport gases

    2. White Blood Cells

  • protect against disease

    3. Platelets

  • clot blood


4 where are rbcs made what is their structure

4. Where are RBCs made? What is their structure?

  • Made in Red Bone Marrow by stem cells

  • No nucleus or organelles

    • bi-concave shape

    • so they are lighter & travel faster

    • also allows them to hold more O2


5 how do rbcs carry oxygen

5. How do RBCs carry oxygen?

  • RBCs contain hemoglobin - an oxygen carrying protein

    • Hemoglobin contains iron which has a positive charge that attracts oxygen which has a negative charge (Fe2+ & O2-)

    • gives blood its red color


Did you know

Did YOU know??

  • An individual blood cell takes about 60 seconds to make a complete circuit of the body!


6 where are wbcs made what is their general structure function

6. Where are WBCs made? What is their general structure & function?

  • Made from stem cells in red bone marrow and in the spleen

  • Larger than RBCs and contains a nucleus

  • Short life-span (a few hours to a few days) due to their ‘rough job’ duties

  • Destroys foreign and dead cells as well as makes antibodies

WBCs are outnumbered

by RBCs 700 to 1!


7 what are platelets what do they do

7. What are platelets? What do they do?

  • Cell fragments that help clot blood

  • Super small with no nucleus

  • Lifespan = 5-9 days


Did you know1

Did YOU know???

  • Feeling hot, Hot, HOT!!

    • Blood temperature is approximately 100oF! (about 1.5 degrees hotter than normal body temperature).


8 what is blood clotting what are the steps

8. What is Blood clotting? What are the steps?

  • STOP the bleeding! (aka blood clotting)

  • Steps to healing a broken blood vessel:

    • 1. Blood vessel spasm: to lessen blood loss

    • 2. Platelet Aggregation: platelets stick to broken portion of the vessel and to each other.

    • 3. Platelet Plug: All of the platelets form a plug that can stop blood loss

http://health.howstuffworks.com/adam-200077.htm


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