The kidneys

Level of electrolysis

________ is adjusted depending on bodys needs.

amino acids

As glucose and ________ are absorbed from the filtrate then the water potential of the filtrate becomes less negative.

Sufferers

________ have problems getting rid of excess water causing a buildup of fluid in the body.

gradient of sodium

Function is to create a contraction ________ and chlorine ions down the medulla.

carrier molecule

Uses a protein ________ to move substances across the membrane.

osmosis

The water is reabsorbed from the filtrate into the blood by ________.

Urea

________ is produced in the liver and secreted by the kidney.

Diffusion

________ is the movement of substances from an area of high concentration to an area of low concentration of that substance.

ADH

The permeability of the duct to water is affected by the hormone ________ (anti diuretic hormone)

Hypothalamus

________ detects a rise in water potential.

Excess amino acids

________ are de- aminated in the liver.

water potential

The ________ falls when a person is dehydrated and rises when a person is overhydrated.

pituitary gland

The ________ releases many hormones.

amine group

The ________ is removed and converted to ammonia and then urea.the urea travels via blood to the kidney where it is excreted in the urine.

urine

As the ________ passes down the duct it encounters surrounding tissues that has an increasing concentration of sodium.

Hypothalamus

________ detects a fall in water potential.

diffusion

Facilitated ________ uses a protein carrier to move substances across the membrane.

ADH

In some cases the body does not produce any ________ as a result of damage to the hypothalamus or a brain tumour.

Diffusion

________ can occur across the cell membrane.

Diffusion

________ occurs because molecules are in constant motion.