I would say that the kidneys purpose is to filter waste material from the blood primarily to remove waste fluid from the blood and leave just the right of salt and minerals in the blood and remove the waste fluid which is known as urine.
The limitations of cell size are:
1) Surface area to volume ratio
2) Nucleo cytoplasmic ratio
3) Fragility of cell membrane
What are the cause of limitations on cell size?
The need for a surface area of sufficient area to allow the cells function→.
→If the surface area of cell increase volume increase to the cube of the linear increase.
→ Nuclie contains information needed for protein synthesis . Some cells reduce this limitation to increase the no. Of nucleus called multinucleated.
Examples are muscle cells.
to learn more about Cells click brainly.com/question/7202108
#SPJ9
It disconnects the brain's dopamine system.
Further explanation
Cocaine
Cocaine is a capably addictive stimulant medication. For a great many years, individuals in South America have bitten and ingested coca leaves which is source of cocaine, for their stimulant effects. In the mid-1900s, refined cocaine was the primary dynamic fixing in numerous tonics and elixirs created to treat a wide assortment of diseases and was even a fixing in the early plans of Coca-Cola. Prior to the advancement of manufactured specialists utilized cocaine for the relief of pain. However, examine has since demonstrated that cocaine is an effectively addictive substance that can change cerebrum structure and capacity whenever utilized over and over.
Functions of cocaine
It shows very quickly effect after a solitary portion and vanish inside a couple of minutes to 60 minutes. Limited quantities of cocaine for the most part make the person feel euphoric, enthusiastic, loquacious, rationally caution, and easily affected to sight, sound, and contact. The medication can likewise briefly diminish the requirement for sustenance and sleep. Some clients find that cocaine encourages them perform straightforward physical and scholarly assignments all the more rapidly, in spite of the fact that others experience the contrary impact.
Effect of cocaine on dopamine
Cocaine particles block the dopamine transporters which shut down the neuron's capacity to take-up the additional dopamine inside the synaptic parted. This outcomes in expanded degrees of the synapse dopamine present in the extracellular spaces among these neurons.
Answer details
Subject: Biology
Level: College
Key words
- Cocaine
- Functions of cocaine
- Effect of cocaine on dopamine
Learn more to evaluate
brainly.com/question/12887489
brainly.com/question/10560288
brainly.com/question/12603071
