Urinary system

What are the main functions of the excretory system?

• deliver oxygen to the body

• deliver nutrients to the body

• remove water and waste from the body

• remove disease from the body

Which organs help to remove waste from the body?

• Lungs, stomach, bladder, and kidneys

• Lungs, heart, bones, and bladder

• Lungs, large intestine, bladder and kidneys

• Lungs, esophagus, bladder and kidneys

What is organ is #1?

• Kidney

• Stomach

• Bladder

• Heart

True or False:

Kidneys filter waste from blood.

• True

• False

#7

• Ureter

• Major calyx

• Renal medulla

• Renal cortex

#6

• Renal pelvis

• Major calyx

• Renal medulla

• Renal pyramids

Transporting urine from the kidneys to the bladder is the job of the:

• kidneys

• ureters

• urethra

Filtering blood to remove excess water and waste products is the job of the:

• kidneys

• ureters

• urinary bladder

In addition to water, the principal components of urine are

• amino acids and fatty acids
• urea and salts
• ammonia and bile
• hydrochloric acid and bases

Which sequence represents the correct pathway for the removal of urine from the human body?

• kidney → ureter → urinary bladder → urethra
• kidney → urethra → urinary bladder → ureter
• ureter → kidney → urinary bladder → urethra
• urethra → kidney → urinary bladder → ureter