Which of the following skin structures extend through both the dermis...
The main nitrogen-containing waste excreted in urine is...
The poisonous soluble materials are transformed into non-soluble ones...
Which blood vessel contains the least amount of urea?
In which of the following are the largest amounts of nitrogen excreted...
The figure below represents a section in an important organ in the...
Which of the following structures transport/s glucose in a healthy...
Kidneys are thin and long in …..
A person who has control of urination can consciously and voluntarily...
Blood being pumped to the kidneys and then filtered by nephrons is an...
Damaging the nerve ending in a finger leads to ...…
The average volume of blood passes through the kidney per minute is...
The function of each of the structures (6) and (2) depend on the...
The urinary excretion increases by the following substance having a...
In hot weather the skin blood vessels …..
If the concentration of glucose in the renal artery is 90 mg/100 ml of...
The liver (one of the excretory organs) breaks down the excess...
Which vessel carries blood to the kidneys?
The softness of the structure (2) depends on the structure...
Red or pink urine is due to the presence of ……
The artificial kidney contains a fluid which is almost the same as...
What happens if a sudden change in the surrounding temperature takes...
When the body temperature rises above normal, .....
What makes up the shaft of a hair?
About 80% of kidney stones can pass out through urinary system by...
The circles shown below represent different excretory organs, where...
Hemodialysis (artificial kidney) rids your body of harmful wastes....
Immuno-suppressant drugs are taken ______.
The kidneys receive about ….. % of the cardiac output daily.
What happens when kidneys stop filtering?
For excretion, animals with impermeable skin use …….
The hollow space at the center of kidney where urine is collected...
The following table illustrates the concentration of some substances...
The principal nitrogenous excretory compound in humans is synthesized...
Which of the following food substances produces urea when being...
Acne (حب الشباب)is a skin condition that occurs when your...
Which of the following structures help in regulating body temperature?
The liver excretes ……
Which of the following structures share in regulating body...
According to their location in the skin structure, which of the...
The following table illustrates the concentration of some substances...
The following table represents the contents of one of the body fluids...
Less filtration and more reabsorption occurs when there is .....
The following table illustrates a urine analysis for some of the urine...
If the Human body contains five liters of blood and 1.25 liters of...
In relative to the structure (A), the structure (B) contains ......
Which of the following excretory substances is/are eliminated only...
The following table illustrates the concentration of some substances...
Which of the following is not true about collecting ducts?
If circle (A) represents the liver, circle (B) represents the kidney...
The diuretic action (causing increased passing of urine)of tea, coffee...
Which graph represents the approximate proper concentration of red...
Which of the following graphs show the relationship between the rate...
The skin loses its natural colour in the absence of ….
Why is the right kidney slightly lower than the left one?
Which structure contains cells called melanocytes for secreting...
The skin becomes dry if the structure …….. stopped...
The uric acid is produced during the breakdown of...
The best long term solution for kidney failure is.......
The principal nitrogenous excretory compound in humans is synthesized...
Which of the following is a toxic chemical group has to be removed...
The renal medulla consists of cone-shaped tissue masses called...
Loss of large number of nephrons, may lead to ……..
The urine in Human consists mainly of …….
The _____ acts as an insulator for the body?
The functional excretory unit in human's skin is the …..
What is the function of the urethra?
The loop of Henle is present inside the ….. of the kidney
The liquid which collects in Bowman's capsule is _____
Both Bowman's capsule and the distal renal tubule, lie in the cortical...
Suppose that each 10 nephrons drain in one collecting duct. So the...
Which of the following conditions indicate the increase in water...
Place the following events in sequence …..
...
The figure below represents the functional unit of the kidney. What...
The amount of blood pumped by the heart in one minute, is examined by...
If you know that the kidneys remove excess H+ ions from the body and...
Which of the following statements is incorrect?
Each kidney contains about ……… uriniferous...
Which of the following describes importance of excretion? It is the...
The amount of blood pumped by the heart per day is about …..
Of the total blood volume, ……. Liters of plasma are...
What will happen if there is no tubular reabsorption in the nephrons...
Concentrated urine results when ….
If fibrosis of the human kidney occurs and a great number of nephrons...
Bowman's capsule and Convoluted tubules always lie within the ___
One of the following materials leaves the body through a plasma...
Excretory substances which are filtered from the blood to the...
For a renal failure patient, the blood moves from the...
Which of the following substances is a harmful catabolic product of...
In a healthy person, Bowman's capsule and Henle's loop are...
Numerous ……… merge into the renal pelvis.
Which of the following pours urea directly to the blood?
Which of the four persons (A), (B), (C) or (D) is in summer?
Nails are characterized by all of the following except …..
Disappearance of blood capillaries surrounding the renal tubules will...
The following table illustrates the concentration of some substances...
Which of the following structures contains the highest concentration...
If the ratio of glucose in the renal artery is much more than its...
The following table illustrates the concentration of some substances...
Select the correct matching of the following concentrations of Urea in...
Select the correct matching of the following concentrations of...
Constipation is the accumulation of stool in the colon. It is...
Which is correct about the glomerular filtrate?
…….. is considered as the biggest gland in the body that...
The efferent arterioles form from a convergence of the capillaries of...
In amoeba excretion takes place through the process of.......
What would increase the glomerular filtration rate?
What is the direct effect that takes place if you are sweating...
The glomerular filtrate differs from blood plasma in that the...
Decreased urine volumes are found in…..
One of the following conditions is not going to happen on putting your...
How is kidney function related to blood pressure? All answers are...
Since there is no excretion of fat in sweat or urine, therefore fat is...
All of the following have a diuretic effect except ....... has an...
If sebaceous glands fail to work, one of the following will not happen...
The excretory system regulates the blood volume by …….
Among the following excretory substances, which is the least toxic...
Ammonia is formed by the kidney from .....
Ethanol found in beer and alcoholic beverage is excreted by ......
The amount of urine output per day by a normal human being is ......
In the diagram below, the renal cortex extends into the medulla...
Which of the following is not a method of removing water from the...
Which of the following correctly describes the correlation between the...
Which of the following is part of more than one organ system?
Which of the following structures of the skin is not confirmed to be...
On examining a urine sample for a person, it is noticed an increase in...
The graph below expresses amount of water lost by the body in...
Complete the equation to demonstrate the process of deamination:
...
Ammonia is generally excreted through which of the following organs?
Which of the following graphs represents the change in concentration...
After protein digestion, the product is transported from the...
Which form of the following excretory products is for the adaptation...
Fennec foxes and rabbits rely on their long ears to dissipate body...
Where does the body get rid of vitamin C that was absorbed from the...
A gradual accumulation of carbon dioxide in the blood can lower the...
Why is deamination an important process in the human body?
Water soluble vitamins are excretes from the body through...
Which of the following correctly differentiates between the main roles...
During food digestion, some gases are released as waste products....
The blood capillaries bring ....... and excess water to the kidney.
The excess salts are removed from the body through the...
The following graph illustrates the concentration of urea in the blood...
Which of the following are the solid organs in the human body which...
What Happens to Your Body When You Don't Drink Enough Water?
Which of the following is an example of excretion in mammals?
What does your body do with excess fat soluble vitamins?
Which of the following compounds can most likely reflect the...
The following graph represents the rate of elimination of nitrogenous...
On examining a urine sample of a person, it is noticed an increase in...
Which of the following do not filtrate into Bowman's capsule?
Which of the following nutrients if they are eaten by a kidney failure...
The diagram provided shows a simplified outline of the ornithine cycle...
All of the following is not usually found in the urine of a healthy...
Which of the following is true for a patient with liver failure?
Which of the following exist in the kidney in a number less than the...
Which of the following structural units of the nephron will contain...
What is the structure in the kidney represented by label 1,2 & 3...
In Hydra and Amoeba, ammonia is the main nitrogenous waste. Lizards,...
After the glomerular filtrate leaves Bowman's capsule, the...
What ultimately happens to the urea produced in the ornithine cycle?
The following graph illustrates the concentration of urea in the blood...
The volume of urine was examined in a group of people during fasting...
Which of the following graphs represents the amount of expelled...
Which of the following compounds must be found in the purified liquid...
Presence of large amounts of mitochondria in the tubule cells of...
People with pre-existing kidney disease are not allowed to eat too...
An important function the liver has in the human body is to carry out...
Which of the following can be found in the glomerulus of a healthy...
Which of the following best explains excretion?
Excess amino acids in mammals undergo protein catabolism in the liver,...
The graph below expresses the concentration of urea in a person's...