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.
Grana is part of the thykaloid. Each stack of thykaloid (the individual disks) are called grana. Cristae are those twisted, curving-shaped inner membranes in mitochondria where cellular respiration occur. Vacuoles stores food, waste, etc. Stroma is the fluid-like part in the chloroplast. Thykaloid is contained in the stroma.