Works Cited 

Allen, Katy, Linda Berg, and Jennie Dusheck. “Circulation and Respiration.” Life Science. N.p.: Holt, Rinehart and          Winston, 2005. 606-11. Print.

Biology4Kids. N.p., n.d. Web. 21 Mar. 2011. <http://www.biology4kids.com/‌files/‌systems_circulatory.html>.

“Cardiovascular System.” Yucky Discovery. N.p., n.d. Web. 21 Mar. 2011. <http://yucky.discovery.com/‌noflash/‌body/‌pg000131.html>.

“Carrier Test for Autosomal Recessive Diseases.” Health.com. Health Wise, n.d. Web. 1 Apr. 2011.

Eckman, James R. “Sickle Cell Anemia.” World Book Student. World Book, 18 Mar. 2011. Web. 18 Mar. 2011. <http://www.worldbookonline.com/‌student/‌article?id=ar509290&st=what+are+sickle+cells>.

“Heart Muscle Disease.” Cardiomyopathy. N.p., n.d. Web. 1 Apr. 2011. <http://heartmuscledisease.blogspot.com/‌p/‌disease-of-heart-muscles.html>.

“Hydroxyurea.” Peace Health. Health Wise, 12 Apr. 2009. Web. 1 Apr. 2011. <http://www.peacehealth.org/‌xhtml/‌content/‌multum/‌d01373a1.html>.

Kids Health. N.p., n.d. Web. 21 Mar. 2011. <http://kidshealth.org/‌parent/‌medical/‌heart/‌sickle_cell_anemia.html>.

Leaffan27. Sickle Cell. uTube. N.p., 11 Apr. 2009. Web. 1 Apr. 2011. <http://www.youtube.com/‌watch?v=9UpwV1tdxcs>.

Prater, Connie. “New Drug, Research Attacks Sickle Cell Disease.” Miami Herald [Miami] 18 Aug. 2003: n. pag. Sirs Knowledge Source. Web. 18 Mar. 2011. <http://sks.sirs.com/‌cgi-bin/‌hst-article-display?id=SMD84208-0-1745&artno=0000179894&&shfilter=U&key=Sickle%20cell%20anemia%2C%20Treatment&title=New%20Drug%2C%20Research%20Attacks%20Sickle%20Cell%20Disease&res=Y&ren=Y&gov=Y&lnk=Y&ic=Y>.

“Sickle Cell Anemia.” Clevland Clinic. N.p., n.d. Web. 21 Mar. 2011. <http://my.clevelandclinic.org/‌disorders/‌sickle_cell_anemia/‌hic_sickle_cell_anemia.aspx>.

“Sickle Cell Anemia.” Health and Fitness. N.p., n.d. Web. 1 Apr. 2011. <http://bryanking.net/‌sickle-cell-disease/>.

“Sickle cell anemia.” World Book S-Sn 17. 2004 ed. Vol. 17. Chicago: Scott Fetzer, 2003. 448-449. Print. 22 vols.

“Sickle cell anemia - Prevention.” University of Maryland Medical Center. A.D.A.M., 2011. Web. 20 Mar. 2011. <http://www.umm.edu/‌ency/‌article/‌000527prv.htm>.

“Sickle Cell Anemia, Signs and Symptoms.” National Heart and Lung Institute (National Health Institue Branch). N.p., n.d. Web. 21 Mar. 2011. <http://www.nhlbi.nih.gov/‌health/‌dci/‌Diseases/‌Sca/‌SCA_SignsAndSymptoms.html>.

“Sickle Cell Crisis.” Emedicinehealth. HONcode, 2011. Web. 21 Mar. 2011. <http://www.emedicinehealth.com/‌sickle_cell_crisis/‌article_em.htm>.

“Sickle Cell Disease.” University Of Maryland Medical Center. N.p., n.d. Web. 21 Mar. 2011. <http://www.umm.edu/‌patiented/‌articles/‌what_symptoms_of_sickle-cell_disease_000058_3.htm>.

University of Maryland. “Sickle cell disease- Introduction.” University of Maryland Medical Center. N.p., 2011. Web. 21 Mar. 2011. <http://www.umm.edu/‌patiented/‌articles/‌what_sickle-cell_disease_000058_1.htm>.

“Your Body’s Systems: Circulatory System.” Fact Monster. N.p., n.d. Web. 21 Mar. 2011. <http://www.factmonster.com/‌ipka/‌A0774536.html>.