Your baby's finally here, and you're thrilled â but you're also exhausted, uncomfortable, on an emotional roller coaster, and wondering whether you'll ever fit into your jeans again. Childbirth classes helped prepare you for giving birth, but you weren't prepared for all of this!
The trabeculae carneae are muscular, columnar protrusions found on the internal surface of the ventricles, the main pumping chambers of the heart. It is thought that they help prevent suction that would occur with a smooth surface.he trabeculae carneae are muscular, columnar protrusions found on the internal surface of the ventricles, the main pumping chambers of the heart. It is thought that they help prevent suction that would occur with a smooth surface.
Consists of two other meristems: a)flank meristem-forms the cortex b)rib meristem-forms the pith-ground tissue has several functions, including storage, basic metabolism, and support. These functions are performed by its three kinds of cells: parenchyma, collenchyma, and sclerenchyma.onsists of two other meristems: a)flank meristem-forms the cortex b)rib meristem-forms the pith. -. has several functions, including storage, basic metabolism, and support. These functions are performed by its three kinds of cells: parenchyma, collenchyma, and sclerenchyma.