Excretion in Humans

The basic functional unit of human kidney is

• henle's loop

• nephron

• nephridia

Lungs are important organs for excretion of

• carbon dioxide

• ammonia

• water

Filtration of excretory wastes from the blood occurs in

• ureters

• collecting tubule

• nephrons

Largest gland in the human body

• salivary gland

• liver

• sweat gland

kidneys, ureters, urinary bladder and urethra

• excretory system

• digestive system

• respiratory system

Bowman's capsule and glomerulus together are called

• renal tubules

• Malphigian tubule

• Mammalian tubule

The main nitrogen-containing waste excreted in urine is

• ammonia

• urea

• nucleotides

The muscular tubes which take the urine from the kidneys to the bladder are

• urinary bladder

• urethra

• ureters

Urea is produced as an excretory substance in human body in

• urinary bladder

• liver

• kidney

About 90% of kidney stones can pass out through urinary system by drinking _

• juice

• water

• sugar drinks