BLOOD & TISSUESLife is Cool Lesson #2

What are tissues?

A group of similar cells which work together to do a specific job

Blood Flows throughout

body in blood vessels

Carries oxygen and nutrients to body cells

Removes waste and carbon dioxide from cells

Parts of Blood Plasma

Mostly waterLiquid portion of blood

PlateletsHelp with clotting

Red blood cellsCarry oxygen

White blood cellsFight infection

Movement of Red Blood Cells

http://www.youtube.com/watch?v=cKX2gAJX7jo

Blood Vessels/Veins Found in circulatory

system throughout the body

Veins carry blood back to the heart

Hollow tubes

Bone Framework for the

body Muscles attach here

Protect internal organs Skull protects brain Ribcage protects heart

and lungs Hard tissue that

makes up the skeleton Contains bone marrow

Cornea Located on the front

of the eye Allows light to enter

the eye Clear covering over

front of eye Allows eye to see

Skin Outer covering of

our body Keeps dirt and

germs from entering body

Helps control body temperature

Tendons Attach muscles to

bone Stretch so muscles

can move bones Elastic and tube-

shaped Strong connective

tissue

Blood Donation Blood Banks Blood Shortage

Often times, the need for blood is greater than what is available

Blood UsesHelp people with chronic disease, cancer, injuries,

and accidents Who can donate?

In Kentucky, you must be over 16 (with parent’s consent)

Blood Donation http://www.youtube.com/watch?v=WNQ02Iaw-kc

http://www.youtube.com/watch?v=L9qshz2V2mg

References http://www.google.com/images Marieb, E. & Hoehn, K. (2007). Human

anatomy & physiology, 7th edition. Pearson Education, San Francisco, CA.