1 An Overview of the Suprachiasmatic Nucleus The term suprachiasmatic nucleus refers to either one of two pairs of neuron clusters located in the hypothalamus. 2  The suprachiasmatic nuclei are right above the optic chiasmâ¦. 3  Making Sense of Your Apple Shaped Body Dealing with an undesirable physical appearance can be taxing.hey are rod shaped bodies that lie at right angles to each other; internally they are made up of fine microtubules. â¦ Centrioles are best known for their role in generating microtubules, and during cell division, the centrioles diret the formation of the mitotic spindle. 2 people found this useful.
When the rest of the world is going to bed, bats are just waking up. They spend the night swooping through the air, gobbling up insects, plants, and small animals. When the sun comes up, they head home to spend the day hanging around. Bats are happy to sleep upside-down in a variety of places. The movies portray bats as cave dwellers, but you'll find them hanging out upside-down everywhere from attics to bridges to the insides of hollow trees.
Yes, bats do actually sleep with their eyes open although they do have the ability to shut them. Frogs and fish also sleep with their eyes open and surprisingly so do cattle! â¦ However, as they are unconscious they are not able to see.