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.
Josh, who at the time was proudly opposing same-sex marriage and touting other conservative values while working at the Family Research Council, welcomed his fourth child with wife Anna a few days later. Interest in the family remained high, though, as Jessa Duggar kept fans up on her first pregnancy via Instagram.