Question

1. (14 points) Use the words on the list below to construct a concept map. Remember to use "connecting" words/phrases between the terms (along the arrows) to help demonstrate the relationships you want to make about specific concepts in your map. Here is an example of how you might incorporate some connecting words: Types of Muscle Tissue Attached to Bones • Skeletal Three types of Muscle tissue Lines walls of organs • Smooth Produces heartbbeat • Cardiac World List: urinary system nephron ureter reabsorption blood vessels tubules urine urethra secretion kidney filtrate urinary bladder filtration excretion 2. (6 points) • Use the context of the urinary system to explain the term Osmoregulation. • Describe one specific example of Negative Feedback in the human urinary system. • Provide a few examples of how the urinary system maintains Homeostasis in the human body.

Im stuck on section 1 and 2 is anyone able to help me with this i find it very confusing.

Answer 1

Osmoregulation is the process of maintaining a fluid and ionic balance in human body. In this kidney plays a major role. It not only eliminates nitrogenous waste but maintainins acid base and fluid concentration of the body.

URI NARY SYSTEM GLOMERULUS Starts in Filtration KIDNEY_conduk X NEPHRON -Functional L/RENAL BULGA Moves to consist of veeters Henlés pistil convolute Peroncimal convoluted اس اور وہ vunary bladdere reabsors tion of Moves to Tubule Maintains Increases osmoregu Sweface area for reeabsorption and selective decretion of Ht and to Nat and H2o Vrethra

Example of negative feedback in human urinary syatem is the maintenance or regulation of human body temperature. The negative feedback can change the conditions back to normal by just reversing the direction of change. For example when normal body temperature drifts, the blood keeps or looses heat by constricting or dilating blood vessels.

Homeostasis is our body's ability to maintain its constant internal environment. In human's body homeostasis is achieved through excretion i.e. elimination of waste and excess water from our body.

During urine formation, tubular cells secrete substances like hydrogen ions, potassium ions and ammonia into filtrate. Tubular secretion is important step in urine formation as it maintains ionic and acid base balance of body fluids.