chp 23 - Chapter 23 Lymphatic System Functions of Lymphatic...

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Chapter 23 Lymphatic System
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Functions of Lymphatic System 1. Return excess interstitial fluid to blood via lymph vessels 2. Transport digested lipids to blood via lacteals 3. Help provide immunity Maturation & distribution of lymphocytes
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Quiz 3 – Mon. Oct. 27 Same format 10 pts. Cardiovascular Ch. 20 - 22 Lymphatic Ch. 23 Also: Print lab packet 3 for lab for next week LP 2 next Thur. 10/30 Cats done by 5 pm Fri. Oct. 31 Exam 2 – looming Wed. Nov. 15
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Fig. 23.1
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Blood / Interstitial fluid / Lymph plasma constantly moves in and out of capillaries more is pushed out than is returned excess ends up in interstitial fluid excess fluid drains into lymph caps Fluid = lymph Lymph is transported back to veins If fluid remains in tissues edema
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Lymph capillaries Thin-walled vessels between caps and cells Cells making up walls overlap to provide valve one- way flow of lymph Valves help prevent backflow of lymph Fig. 23.2
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chp 23 - Chapter 23 Lymphatic System Functions of Lymphatic...

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