Loss of ability to perform skilled motor activities such as piano playing, with no paralysis or weakness in specific muscles, might suggest damage to the premotor cortex.
The premotor cortex is part of motor cortex situated in front of the primary motor cortex in the brain. The premotor cortex directly controls behavior by preparing the trunk muscles of the body. The primary role of the premotor cortex is to use information provided by the senses in controlling movements, to understand the actions of others, and to use ideal rules to carry out certain tasks. Different parts of the premotor cortex have various features and they emphasize distinct functions.
When you are eating a celery stick, you are eating the vascular tissue of a plant.
Yes. True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.
The neural crest, which forms early in the development process in vertebrate embryos, is a fold on the neural plate where the neural and epidermal ectoderms converge. As an embryo grows, the neural crest produces neural crest cells (NCCs), which can differentiate into a variety of different cell types and contribute to tissues and organs.
The notochord is a temporary structure that plays a crucial role in higher animals. It secretes substances that communicate with all neighbouring tissues, telling them where they are and what will happen to them.
Therefore, True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.
Learn more about notochord here:
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They would have serious, perhaps fatal effects because the red blood cells would tend to burst
Answer:
Six
Explanation:
All living things have six basic elements in common: carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur, abbreviated as CHNOPS.