Nervous System limbs What is the common ancestor of deuterostomes and protostomes? mammals and insects are deuterostomes protostomes. both have brains capable real-time navigation and behavior, but both protostomes and deuterostomes also contain species without a Central Nervous System. they should have been an ancestor with a Brain, eyes (parietal or not), and segmented leg [...]
Nervous System ions Nervous system question? Can anyone help me fill this in? These are the words: Action potential depolarization excitable all or nothing local negative potential positive sodium ions repolarization potassium ions Threshold Because cells respond to stimulation, muscle and nerve be___ says. When a stimulus is applied to a nerve cell or muscle [...]
traumatic Brain injury concussion It is why some boxing injuries? I am doing research on mild traumatic brain injuries that occur in boxing, and I was wondering if anyone knew of any (other concussions) that could be used. No need to leave a link, but would be nice. Anyway, if you not want to leave [...]
central Nervous System Center Match the following types of nervous systems with their functions.? 1. a central interpretive center and main processing 2. peripherals b-sensory and motor nerves running to and from the Central Nervous System 3. c-controlling somatic voluntary responses 4. autonomic responses d-break 5. sympathetic e-fight-or-flight response 6. parasympathetic f-controlled automatic responses Your [...]
baby Nervous System development How the effect of hormone release sexual development of the baby? Same-sex hormones (androgens, estrogens and progestin) are released by the ovaries and testes, sex differences in sex hormone levels are just a matter of degree. Release of sex hormones from the gonads is controlled by tropic hormones that are released [...]