The Excretory System PDF

The Urinary (Excretory) System OBJECTIVES At the end of the lesson, the students will be able to: ⬥ identify the parts and functions of the urinary (excretory) system; and ⬥ describe ways on how to care for the urinary (excretory) system. 2 The U...

The Urinary (Excretory) System OBJECTIVES At the end of the lesson, the students will be able to: ⬥ identify the parts and functions of the urinary (excretory) system; and ⬥ describe ways on how to care for the urinary (excretory) system. 2 The Urinary (Excretory) System Functions: ⬥ filters blood ⬥ separates toxins the body does not need from the nutrients the body needs ⬥ stores and carries urine out of the body 3 Organs of the Urinary (Excretory) System kidneys ureters bladder urethra Source: https://my.clevelandclinic.org/health/body/21197-urinary-system Kidneys ⬥ main organs of the excretory system ⬥ divided into three regions: - renal cortex (outer layer - renal medulla (inner layer) - renal pelvis (carries the urine from the kidneys to the ureter Source: https://my.clevelandclinic.org/health/body/21824-kidney 6 Ureters ⬥ two thin tubes which carry urine from the kidneys to the bladder Source: https://www.saintlukeskc.org/health-library/ureteral-stri 7 cture-surgery-ureteroplasty Bladder ⬥ Hollow, muscular organ that acts as a reservoir for urine Source: https://www.spectrumhealthlakeland.org/lakeland-ear-nose-and-th roat/ent-health-library/Content/34/BBlaO2/ 8 Urethra ⬥ tube through which urine leaves the body ⬥ Held closed by the urethral sphincter that helps keep urine in the bladder until voiding can occur Source: https://www.cancer.gov/publications/dictionaries/cancer-terms/def/urethra 9 Other organs of excretion skin lungs liver Skin ⬥ largest organ in the body ⬥ protects the body against microorganisms, dehydration, ultraviolet light, and mechanical damage ⬥ excretes sweat and eliminates compounds like NaCl, some amount of urea, etc. Source: https://my.clevelandclinic.org/health/body/10978-skin 11 Lungs ⬥ primary respiratory organs ⬥ help take in oxygen and expel carbon dioxide and some amount of water in the form of vapor Source: https://www.livescience.com/52250-lung.html 12 Liver ⬥ removes toxins from the body’s blood supply ⬥ maintains healthy blood sugar levels ⬥ regulates blood clotting, and performs hundreds of other vital functions. Source: https://medlineplus.gov/liverdiseases.html 13 How do you care for the urinary (excretory) system? THANKS! 15 References: ⬥ https://my.clevelandclinic.org/health/body/21197-urinary-system ⬥ https://byjus.com/biology/human-excretory-system/#:~:text=Hu man%20excretory%20system%20includes%20organs,urine%20i s%20the%20filtrate%20obtained. ⬥ https://www.toppr.com/guides/biology/excretory-products/hum an-excretory-system/ ⬥ https://training.seer.cancer.gov/anatomy/urinary/ 16  Free templates for all your presentation needs For PowerPoint and 100% free for personal Ready to use, Blow your audience Google Slides or commercial use professional and away with attractive customizable visuals