Unit 2: Excretion (part 2)

Blood travels through our body and collects...

• oxygen.

• nutrients.

• waste substances.

The cleaning of blood takes place in the (a)   system and the respiratory system.

What is the excretory system made up of?

• The urinary system and sweat glands.

• The urinary system and the respiratory system.

• The respiratory system and the sweat glands.

The main function of the excretory system is ...

• to obtain oxygen.

• to move oxygen and nutrients around the body.

• to eliminate waste substances from our body.

• to obtain nutrients.

What´s the function of the urinary system?

• It produces and expels urine.

• It produces sweat.

What organs make up the urinary system?

• The nose, the mouth, the windpipe or trachea and the lungs.

• The kidneys, the ureters, the bladder and the urethra.

The (a)   are the main organs in the urinary system.

Which organs in the urinary system filter and make urine?

• The kidneys.

• The bladder.

• The urethra.

• The ureteres.

The (a)   stores the urine until it is expelled from the body.

The (a)   is a tube through which urine is expelled.