Excretory System

Question 1

For body to function properly, balance in the volume and the composition of its fluids must be achieved at any particular time. This critical function is provided

Answer 1

excretory system

Question 2

composed of the kidneys, the blood vessels linked to them, and the tubules that channel fluid formed within the kidneys out of the body

Answer 2

excretory system.

Question 3

order for cells to stay alive, they must continually intake water and other molecules

Answer 3

excretion

Question 4

The cells would continue to get bigger and bigger if they only took in molecules

Answer 4

excretion

Question 5

The Kidney’s Job

Answer 5

Excretion of waste

Question 6

Breakdown of excess salts and toxins

Answer 6

Kidney’s Job

Question 7

when amino acids are broken down and nitrogen is released

Answer 7

Deamination

Question 8

Filtering urea out of the body

Answer 8

Kidney’s Job

Question 9

includes all the tissues and organs that remove waste from the body

Answer 9

excretory system

Question 10

Excretes water, nitrogenous wastes, and salts

Answer 10

Urinary System

Question 11

Excretes water, nitrogenous wastes, and salts

Answer 11

exit the body as urine

Question 12

Eliminates water, some salts, bile (stomach acid), and indigestible food matter

Answer 12

Digestive System

Question 13

Eliminates water, some salts, bile (stomach acid), and indigestible food matter.

Answer 13

materials combine to make fece

Question 14

Eliminates carbon dioxide and water vapor

Answer 14

Respiratory System

Question 15

Excretes sweat which includes water, salts, and small amounts of nitrogenous wastes

Answer 15

Integumentary System

Question 16

are the major organs of the human excretory system

Answer 16

Kidneys

Question 17

remove waste from the blood, balance the fluids of the body, and form urine

Answer 17

Kidneys

Question 18

It is responsible for filtering blood to remove substances that are no longer needed by the body and to reabsorb the rest of the substances that can be still used

Answer 18

Kidneys

Question 19

Location at your lower back

Answer 19

Kidneys

Question 20

Inside the kidneys are

Answer 20

Nephrons

Question 21

microscopic, coiled sets of tubes with a tiny capillary filled bulb at one end

Answer 21

Nephrons

Question 22

kidney’s basic functional unit which are tiny tubes for excretion

Answer 22

Nephrons

Question 23

Each nephron extends from the outer part of the kidney, called the

Answer 23

CORTEX

Question 24

the inner part, called the of nephron

Answer 24

MEDULLA

Question 25

Each kidney contains about

Answer 25

one million nephrons

Question 26

contains long coiled tubule

Answer 26

Nephron

Question 27

Located at one end of the tubule is the

Answer 27

Bowman’s Capsule

Question 28

Bowman’s Capsule surrounds the

Answer 28

Glomerulus

Question 29

bowl of capillaries

Answer 29

Glomerulus

Question 30

The other ends of the tubule is opens into the collectign ducts that converge in the central cavity of the kidney called

Answer 30

Renal Pelvis

Question 31

The nephron’s function is specialized for three important excretory functions

Answer 31

Filtration Re-absorption Secretion

Question 32

occurs at the junction of the glomerulus and Bowman’s capsule

Answer 32

Filtration

Question 33

occurs in the proximal tubule

Answer 33

Re-absorption

Question 34

is the U-shaped region of the nephron tubule where the capillary and tubule walls seem to merge as one structure

Answer 34

Nephron loop or loop of Henle

Question 35

Additional re-absorption of about 20% occurs in this part

Answer 35

Nephron loop or loop of Henle

Question 36

occurs in the distal tubule which extends from the loop of Henle to the collecting duct

Answer 36

Secretion

Question 37

Blood enters the kidneys via

Answer 37

renal artery

Question 38

Blood exit the kidneys via

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renal vein

Question 39

kidneys process the blood supply once every

Answer 39

3 minutes

Question 40

This means that in an hour, a 5-L volume of blood is passed through your kidneys about

Answer 40

20 times

Question 41

is the waste fluid mixture of all the filtered substances

Answer 41

URINE

Question 42

Urine is funnelled out of the kidney through the

Answer 42

URETER

Question 43

a duct that connects to the urinary bladder

Answer 43

URETER

Question 44

like a holding tank that temporarily stores urine

Answer 44

URINARY BLADDER

Question 45

The bladder empties through a duct called the

Answer 45

URETHRA

Question 46

Urine usually contains the following substances:

Answer 46

Urea and uric acid Salts Yellow coloring from bile

Question 47

Yellow coloring from bile

Answer 47

digestive juices

Question 48

known as electrolytes

Answer 48

Salts

Question 49

these contain lots of nitrogen

Answer 49

Urea and uric acid

Question 50

Urine should NOT contain the following unless something is WRONG

Answer 50

Glucose, Blood

Question 51

sugar is in the urine, this means

Answer 51

your cells are not absorbing sugar. That may be a sign of diabetes

Question 52

blood is in the urine

Answer 52

there is some type of kidney disease or infection of the urinary system

Question 53

prevents excess water loss from kidneys

Answer 53

Antidiuretic hormone (ADH)

Question 54

inhibits secretion of ADH = more urine volume

Answer 54

Alcohol

Question 55

prevents excess loss of sodium and water from kidneys

Answer 55

Aldosterone

Question 56

increases rate of salt and water loss from kidneys

Answer 56

Caffeine

Question 57

increase rate of water loss from kidneys

Answer 57

Increased blood pressure

Question 58

To remove solid and liquid wastes from the blood stream

Answer 58

Kidney

Question 59

reach an isotonic equilibrium in the blood.

Answer 59

Kidney