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KIDNEY

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Joseph Tien

on 8 June 2016

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Transcript of KIDNEY

KIDNEY
STARTS
GROUPS
SPLIT INTO GROUPS AND HAVE OUR COMPETITION!
11.3.3 annotate a diagram of a glomerulus and associated nephron to the function of each part
11.3.3 annotate a diagram of a glomerulus and associated nephron to the function of each part
LEARN CAREFULLY... WINNER GROUP GETS THE PRIZE!
Functions of each part (1)
Nephron
: It is where blood is cleaned and urine created. It is made up of a single tubule and a ball of capillaries is called the glomerulus.
The
glomerulus
is found in the Bowmans capsule. Together they are known as the malphigian body. It is the location where filtration occurs
Afferant arteriole
: It provides the blood for the nephron to be filtrated
Efferent arteriole
: It drains the blood from the glomerulus
Bowmans Capsule
: it receives the filtrate from the glomerulus
ANIMATION
http://www.sumanasinc.com/webcontent/animations/content/kidney.html
Functions of each part (2)
GAME QUESTIONS
11.3.4 explain the process of ultrafiltration, including blood pressure, fenestrated blood capillaries and basement membrane
the process of ultra filtration
FUNCTIONS (2)
Cortex
: they are capsules that contain the bowmans capsules , the glomerulus, and the upper regions of the nephron.
Medulla
: it is the region that contains the loop of henle and the lower sections of the collecting ducts.
Renal pyramid: tissue area in the medulla that is darker than the cortex. It looks like triangle or “pyramids”.
Pelvis
: it is a cavity that collects the urine that comes from the collecting duct and then the urine moves to the ureter. Calyces is the part of the pelvis that connects to the renal pyramids.
Ureter
: It transports the urine from the kidney to the bladder. it connects the kidney and the bladder
Urethra: empties out the bladder
WINNER IS.........?
READY TO GO INTO THE MAIN FOCUS OF OUR LESSON?!?!
11.3.4 explain the process of ultrafiltration, including blood pressure, fenestrated blood capillaries and basement membrane
What causes high blood pressure in the glomerulus?
NEXT
GAME
NEXT
GAME
NEXT
FINALS
ULTRA FILTRATION
ALMOST
THERE!
11.3.4 explain the process of ultrafiltration, including blood pressure, fenestrated blood capillaries and basement membrane
WHAT HAPPENS?
11.3.5 Define Osmoregulation
Osmoregulation is the control of the water balance of the blood, tissue or cytoplasm of a living cell.
DEFINITION (1)
The water content of body fluids has to be controlled such that the movement of water to and from cells can changes be controlled.
The body experiences
external and internal changes
such as drinking water availability, sweating and the accumulation of salts that require adjustments in the water content of blood, tissues and cytoplasm.
Osmoregulation
is under the control of receptors in the hypothalamus.
DIAGRAM
DEFINITION (2)
PREVIOUS YEARS' IB TEST Q's
The kidneys are the center of the excretory system. They are also participate in water balance and salt regulation. They filtrate the blood.
Blood enters the kidney through the renal artery and leaves the kidney through the renal vein.
THE KIDNEY
11.3.2 draw and label a diagram of the kidney
11.3.3 annotate a diagram of a glomerulus and associated nephron to the function of each part
11.3.4 explain the process of ultrafiltration, including blood pressure, fenestrated blood capillaries and basement membrane.
11.3.5 Define osmoregulation .

KIDNEY
Joseph Tien
Josefina Vasquez

9/25/2013
The WINNERS will have the whole box of doughnuts!
http://www.webmd.com/urinary-incontinence-oab/picture-of-the-kidneys
11.3.2 draw and label a diagram of the kidney
FUNCTIONS (1)
GAME QUESTIONS #1
GAME QUESTION #2
11.3.2 draw and label a diagram of the kidney
11.3.2 draw and label a diagram of the kidney
http://www.wisegeek.org/what-is-the-renal-system.htm
WHAT IS KIDNEY
READY!!!!
http://www.ivy-rose.co.uk/HumanBody/Urinary/Urinary_System_Nephron_Diagram.php

Proximal convoluted tube
: It is were the re-absorption of selected substances occur (water, glucose, salts,)
Distal convoluted tubule
: it is the final stage of selective reabsorption
Loop of henle
: it is were the filtrate goes through changes in gradient concentration.
Descending loop of henle
: is permeable to water and not to salt (NaCl)
Ascending loop of henle
: permeable to salts (NaCl) and not to water
Vasca Recta
:it is a network of blood vessels surrounding the nephron absorbing the useful components of the filtrate.
Collecting duct
: It connects to the pelvis. It is where urine leaves the nephron and it also participates in the reabsorption of water and salt.
Function for each part
Game questions (2)
http://click4biology.info/c4b/11/hum11.3.htm#3
http://gleesonbiology.pbworks.com/w/page/7537920/O3
11.3.3 annotate a diagram of a glomerulus and associated nephron to the function of each part
11.3.3 annotate a diagram of a glomerulus and associated nephron to the function of each part
Function for each part REVIEW QUESTIONS (1)
the
glomerulus
is a capillary bed and the walls of the capillaries contain fenestration (small slits) that open once the blood pressure increases.
ultra filtration
is the process in which substances are filtered in the glumerulus and its fenestration, under high pressure in its capillary bed.

unfiltered blood
is brought in by the afferent arteriole into the glomerulus and the blood pressure increases because the efferent arteriole is narrower and has a smaller diameter than the affarent arteriole. More blood is coming in than coming out. This keeps blood in the glomerulus and increases the pressure.
The high blood pressure pushes the fluid of the blood into the bowmans capsule. The capillaries and podocytes allow this transport and they filter the blood. It is a non selective filtration as the capillaries and the podocytes are permeable to water and small molecules. Blood cells and large molecules cant pass but smaller molecules like glucose, salts, and amino acids can pass and be part of the filtrate.
What happens? (1)
What happens (2)
WHAT HAPPENS? (4)
The basement membrane prevents larger molecules proteins to become part of the filtrate. After leaving the bowman's capsule the filtrate then goes to the proximal tube .
In the proximal tubule many useful substances that the body cant lose are reabsorb back into the blood stream in the proximal tubule.
Game Questions
What are some diseases that can damage the kidney's filtration apparatus?
What is ultrafiltration?
What does the base membrane do?
In responses to changes, the hypothalamus controls the sensation of thirst and also the endocrine secretion of anti-diuretic hormone.(ADH).
ADH is secreted from the pituitary and causes the opening of cell membrane pores called aquaporins which allows water reabsorption into the blood.
.......... to cause filtration disorder
The kidney performs several vital functions. It filters blood, removes waste products from the body, balances the body's fluids, and releases hormones that regulate blood pressure. A number of diseases and conditions can damage the kidney's filtration apparatus, such as diabetes and immune disorders. This damage leads to a condition called nephrotic syndrome, which is characterized by protein in the urine, high cholesterol and triglycerides, and swelling (edema). People with nephrotic syndrome retain salt and water in their bodies and develop swelling and high blood pressure as a result.
Where does the filtrate go after the glomerulus?
What brings blood into the glomerulus?
Where is kidney located?
What does kidney participate in?
Where does blood leaves kidney?
Where does blood enters kidney?
BONUS:



What does osmoregulation mean?
Ureter connects the___ & the___ .
Ureter transports what from the kidney to the bladder?
Cortex is located in the what region of the kidney?
Cortex is also located in the what region of the nephron?
What contains the loop of henle?
Medulla contains the upper section of _________?
Pelvis is a cavity that collects the ______?
Where does the urine travel to ?
What part of the nephron is disfunctioning if there is blood in the urine?
Give examples of small molecules that are part of the filtrate.
What causes blood pressure?
What takes blood out of the glomerulus?
After the filtrate leaves the bowman’s capsule where does it go?
What is the base membrane made up of?
Hint: f___________ & p__________.
Where does ultrafiltration occur?
Where blood is cleaned and urine created?
The glumerulus is found in the __________ capsule.
Bowmans Capsule do what to the filtrate from the glomerulus?
Afferant arteriole provides what for the nephron to be filtrated?
HARD : What drains the blood from the glumerulus?
KIDNEY LESSON ENDS
WHAT HAPPENS? (3)
Prodocytes
are cells that wrap around the glomerulus capillaries. These cells form filtration slits that allow the small molecules to be filtrated from the blood.
BONUS
Bonus.......
Bowman's capsule receives the _______ from the glomerulus?
Vasa Recta is a network of _______ ___________ that surrounds the nephron
Descending loop of henle is permeable to ?
2. Which best describes the role of the kidney in homeostasis?

A. Storage of urine
B. Producing urine at a constant rate
C. Removing urea from the blood
D. Maintaining the water content of the blood between narrow limits


3. The walls of blood capillaries in the kidney are fenestrated. How does the fenestration of these capillaries help in the production of urine?

A. A larger volume of fluid can be filtered out of the blood per minute.
B. Small molecules are allowed through but not large ones.
C. Higher blood pressures can be tolerated without damage to the capillaries.
D. Phagocytes are able to escape from the capillaries and prevent kidney infections

4. What can be changed in the kidney over a period of time in order to carry out the process of osmoregulation?

A. The amount of blood flowing to the kidney
B. The amount of fluid filtered from the blood in the glomeruli
C. The amount of solutes selectively reabsorbed in the proximal convoluted tubule
D. The amount of water reabsorbed in the collecting ducts

1. In the diagram of the nephron below, what structures are indicated by the letters Y and Z?
Y Z
A. glomerulus collecting duct
B. Bowman’s capsule collecting duct
C. Bowman’s capsule distal convoluted tubule
D. glomerulus distal convoluted tubule

What is the definition of osmoregulation?
Give examples of external and internal changes of body experiences.
Osmoregulation is under the control of _______ in the hypothalamus.
Give out things you learned from this lesson from each team, the more you answer the more points you have.
Full transcript