Apprenticeship Learning LOG Day 11
Date of Learning: 2nd of May 2025
Time: @09:30am
Diary of Learning activity
Title of learning activity: The Renal System.
Today I had a session about the renal system, anatomy, how the individual parts work, what their function is, what the individual parts are responsible for and what the effect of its action is.
I learned that the function of the renal system is to maintain homeostasis regarding the water and electrolyte balance in the body, the acid-base balance(pH) and the removal of waste from the body.
I’ll start with the anatomical composition:
- 2 kidneys ,
- 2 ureters – tubes connecting the kidneys to the bladder,
- A bladder (organ that stores urine),
- A urethra (the tube connected to the bladder that allows urine to pass from the body).
Kidneys play an important role in filtering blood. Blood reaches each kidney through many small arteries. The kidneys filter the blood, separating toxins from nutrients. Vitamins, minerals, nutrients and proteins are returned to the bloodstream. Metabolic waste and urine move from the kidneys via the ureters to the bladder. The bladder stores urine until the person needs to use the toilet. Urine leaves the body via the urethra.
All organs of the renal system are located in the abdominal and pelvic areas. How does work organs from urinary system:
The kidneys are functioning all the time, and filter the blood in the body to make urine, but rest of the water with electrolytes are maintain in the body to balance acid-base condition. That organs are responsible for excretion of waste, and production and secretion of hormone stimulating formation of red blood cells (erythropoietin) and enzyme controlling the blood pressure (renin).Two kidneys, one on each side of the back of the abdomen, just below the ribcage. Each kidney is approximately the size of a fist. The kidney is encased in the outer fibrous capsule. Inside is the layer called cortex which surrounds the medulla. The medulla as a renal pyramids is innermost layer, consisting of pale, conical shaped, striated structures. At the end of pyramid is the papilla. The renal hilum is the entry and exit site for structures servicing the kidneys: vessels, nerves, lymphatics, and ureters.
In kidneys there is big importance of the knowledge about the blood flow through the smallest elements of the kidney from the renal artery, renal hilum, Cortex, Glomerular capsule, Nephrons (Proximal convoluted tubule /cortex side/ thick segment, Descending limb nephron loop/medulla side/ – Thin segment, Loop of Henle/medulla side/, Ascending limb nephron loop/medulla side/ – Thin segment, Distal convoluted tubule /cortex side/ thick segment) to the Collecting duct. Once again from the artery via Afferent arteriole, Glomerulus (capillaries), filtration via Bowman’s capsule, blood exit via Efferent arteriole, but next stage of filtration in Proximal convoluted tubule, Descending limb, Loop of Henle, Ascending limb, Distal convoluted tubule, return blood to the renal vein, but returning urea, water salts, toxins via collecting duct.
The ureters are two thin tubes inside the pelvis that drain urine from the kidneys to the bladder. Each ureter (hollow muscular tube) is about 25-30 cm long with a diameter of 3 mm and carry urine to the posterior wall of the bladder through peristalsis of the smooth muscle layer in the wall.
Urinary bladder when is empty is pear shaped, when holds urine becomes more balloon shaped. Urinary bladder is build from 3 walls (Outer layer, middle layer and inner layer).
The urethra is the tube via which urine passes from the bladder to outside the body. The two sphincter muscles (Internal and External) that close the urethra prevent you from urinating when person is not using the toilet. They can provide muscle control the flow of urine.
KSBs addressed:
Date of Learning: 2nd of May 2025
Time: @1:30pm
Diary of Learning activity
Title of learning activity: s.
This afternoon I
KSBs addressed: