The endocardium is the innermost layer of tissue that lines the chambers of the heart. Its cells are embryologically and biologically similar to the endothelial cells that line blood vessels. The endocardium also provides protection to the valves and heart chambers.
In 2002, there were five sisters living in the Duggar house: Jana, then 12; Jill, 11; Jessa, 10; Jinger, 9; and Joy-Anna, 5. In March 2003, Jim Bob met with âchurch eldersâ to discuss Joshâs behavior, and they decided Josh needed to enter a treatment program.
WATCH: Jinger Duggar Engaged to Soccer Player Jeremy Vuolo -- See the Ring! Jinger's parents, Jim Bob and Michelle Duggar, posted their well-wishes for the newlyweds in a video on their website. We are so excited for Jinger and Jeremy. They just got married, and they are such a sweet couple.