Excretion

During what reaction is oxygen produced and carbon dioxide used in a leaf?

• Respiration

• Photosynthesis

During what reaction is oxygen used and carbon dioxide produced in a leaf?

• Respiration

• Photosynthesis

In what layer of a leaf is oxygen most likely going to be produced and carbon dioxide used?

What layer of the leaf does oxygen and carbon dioxide diffuse through the quickest?

What does oxygen diffuse out of and carbon dioxide in to the leaf?

Which of these organs excretes waste?

• Skin

• Lungs

• Kidneys

Which of these waste products would class as excreted products?

• Urea

• Sodium chloride

• Water

• Faeces

The ........... artery supplies blood to the kidneys and the ....... vein takes blood away from the kidneys

Takes urine from the kidney to the bladder

• Ureter

• Urethra

Excretes waste out of the body from the bladder

• Ureter

• Urethra