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The area at the center of the kidney where urine is collected
renal pelvis
Human urine is composed by:
water (95%), urea (2%), creatinine (0.1%), uric acid (0.03%), chloride, sodium, potassium, sulphate, ammonium, phosphate and other ions and molecules
The nephron is the
functional unit of the kidney
It is a compact cluster of capillaries responsible for blood filtration and initiating urine production in the renal nephrons
glomerulus
If there is blood in the urine, what process was ineffective?
infiltration
Small stones or crystals that form in the renal pelvis, made up of mineral deposits contained in the urine. When it passes through a narrow tube such as the ureter, this can cause intense pain called renal colic.
kidney stones
Name the inner lighter coloured region of the kidney.
Medulla
What does glomerular filtrate consist of?
Water, urea, mineral salts, glucose, aminoacids, vitamins .... and other plasma solutes
Name the two parts of excretory system which lies in the cortex region of the kidney.
Glomerolous and Bowman's capsule
Name the duct which transports urine from the kidney to the urinary bladder.
Ureter
What is the major role of the structure labeled by letter A.
reabsorption
The second major etep in urine formation
Reabsorption
The first step in urine formation
filtration
The basic structural and functional unit of the kidney
nephron
Liquid waste produced by the kidneys.
urine
The process of getting rid of material such as nitrogenus waste,certain salts and excess water from the blood
excretion
Your kidneys remove wastes and extra fluid from your body in a two-step process
Filtration and reabsorption
Which waste product is found in urine?
urea
How many nephrons exist in our body ?
2 million
Which process happens in kidney that returns glucose to the blood?
reabsorption
Tube through which urine is discharged from the body
urethra
How does the excretory system work with the circulatory system?
The circulatory system moves blood around the body and the excretory system filters wastes from the blood
How does the excretory system help your body maintain homeostasis?
It removes waste and adjusts water levels to create a balance where there is not too much or too little of a substance in the body
Organ that holds/stores urine
bladder
What is number 4 on the diagram
urethra
What is number 2 on the diagram
ureter
What is number 3 on the diagram
bladder
What is number 1 on the diagram
Kidney


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