Answer:
Cranial sutures are fibrous joints. Their function is to join the bones of the skull. Sutures are important for cranial growth. Once, the sutures completely fuse braincase does not grow further. Each suture fuse at a particular age.
The endomembrane system (endo- = “within”) is a group of membranes and organelles in eukaryotic cells that works together to modify, package, and transport lipids and proteins. It includes a variety of organelles, such as the nuclear envelope and lysosomes, which you may already know, and the endoplasmic reticulum and Golgi apparatus, which we will cover shortly.
Every 3 days the stomach starts a new lining