[DOC] [TLE] The Lymphatic System - Dictionary definition of The Lymphatic ... [PAR] Excess fluid that leaks out of capillaries to bathe the body's cells is collected ... 
Lymph vessels, also called lymphatics, carry lymph in only one directionto the 
heart. ... Antibody (AN-ti-bod-ee): Specialized substance produced by the body 
that .... organ's tissues engulf and destroy both pathogens and worn red blood 
cells. [DOC] [TLE] Sickle Cell Anemia - In-Depth Report - NY Times Health [PAR] Over time, it leads to gradual destruction in organs and tissues throughout the 
body. ... When blood cells dry out (dehydrate), the density of hemoglobin S within 
the cell ... Every day the body produces new red blood cells to replace old ones, 
but ..... Sickle cell disease symptoms often worsen during pregnancy and pain... [DOC] [TLE] Glossary Index | womenshealth.gov [PAR] a brain disease that cripples the brain's nerve cells over time and destroys 
memory and learning. ... when the amount of red blood cells or hemoglobin (the 
substance in the ... and adults that makes it hard to sit still, pay attention, and 
focus on certain tasks. .... One out of every 400 couples is at risk for having 
children with CF. [DOC] [TLE] Skin Cancer: Basal And Squamous Cell - American Cancer Society [PAR] May 10, 2016 ... that wear off the skin's surface. ... About 2 out of 10 skin cancers are squamous 
cell carcinomas (also called ... across), rough or scaly spots that may be pink-red 
or flesh-colored. ... Hemangiomas: benign blood vessel growths, often called ... 
yourself and your loved ones, see Skin Cancer Prevention and... [DOC] [TLE] Anemia - WikiLectures [PAR] Anemia is caused by blood loss, lower-than-normal production of red blood cells, 
... Anemia is a condition that affects the red blood cells (RBCs), or erythrocytes. ... 
the bone marrow unable to produce RBCs fast enough to replace the ones that 
die or are destroyed. .... The spleen removes worn-out RBCs from the blood. [DOC] [TLE] Stem Cell Research: Science and the Future : NPR [PAR] Feb 14, 2006 ... In 2001, nearly 80,000 people needed organ transplants, fewer than ... Cancer 
kills one out of four of us, more than 1,500 people a day. ... For an adult stem cell 
regimen, the tissue in which the stem cells .... the blood to the vacant marrow 
where they colonize, produce red cells, immune cells, and platelets. [DOC] [TLE] Printable PDF version - Stem Cell Information - National Institutes of ... [PAR] Apr 8, 2015 ... function, such as a muscle cell, a red blood cell, or a brain cell. ... regularly divide 
to repair and replace worn out or damaged tissues. .... Adult stem cells typically 
generate the cell types of the tissue in which they ... are not produced each time 
cells from the preimplantation-stage embryo are placed into. [DOC] [TLE] Stem cells: The secret to change | Science News for Students [PAR] Apr 10, 2013 ... Inside your body, red blood cells are constantly on the move. ... very differently, 
including those in the brain, skin, muscle and other organs. Later in life, stem 
cells also can replace worn-out or damaged cells  including red blood cells. ... 
That's because harvesting them requires destroying an embryo. [DOC] [TLE] Instructor's Guide [PAR] Chapter 2: The Cells, Tissues, and Organs of the Immune System .... foreign 
organisms from the blood and destroys worn-out and damaged red blood cells. [DOC] [TLE] Introduction to How Stem Cells Work (see citation information at ... [PAR] percent of these people have Type I diabetes in which the insulin-producing ... an 
embryo will eventually give rise to every cell, tissue and organ in the .... replace 
worn-out red blood cells, hemopoietic stem cells in the bone marrow divide and 
... cells exist in many tissues, their numbers are small, perhaps one adult stem. [DOC] [TLE] the liver - PKIDs [PAR] The liver is the second largest organ in

Question: In the fetus, this organ produces red blood cells; in adults, it focuses on destroying worn-out ones
Answer: the spleen