Works Cited

[untitled illustration of western grey kangaroo]. Retrieved November 20, 2014, from
http://www.realmagick.com/western-grey-kangaroo/

Histology Photomicrographs. (n.d.). Retrieved November 20, 2014, from http://eugraph.com/histology/cardiova/cardiac.html

Macropus fuliginous. (n.d.). Retrieved November 20,2014, from http://www.animaldiversity.umm2.umich.edu/accounts/Macropus_fuliginous

Major Organs, Tissues, and Cells. (n.d.). Retrieved November 20, 2014, from http://diannes-circulatory-system.weebly.com/major-organs-tissues-and-cells.html

Muscle Cell Types. (n.d.). Retrieved November 20, 2014, from http://www.innerbody.com/image/musc01.html#full-description

The Circulatory, Respiratory, and Digestive Systems. (n.d.). Retrieved November 20, 2014, from http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect20.htm 

Western grey kangaroo (Macropus fuliginous). (n.d.). Retrieved November 20, 2014, from
http://www.arkive.org/western-grey-kangaroo/macropus-fuliginous

Western Grey Kangaroo. (2012, December 6). Retrieved November 20, 2014, from
http://www.perthzoo.wa.gov.au/animals-plants/australia/austrailian-bushwalk/western-grey-kangaroo/