WorksheetsExcretion
Total questions: 24
Worksheet time: 17mins
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?
(a)
What layer of the leaf does oxygen and carbon dioxide diffuse through the quickest?
(a)
What does oxygen diffuse out of and carbon dioxide in to the leaf?
(a)
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
(a)
Takes urine from the kidney to the bladder
Ureter
Urethra
Excretes waste out of the body from the bladder
Ureter
Urethra
Part of the nephron where ultrafiltration occurs
Glomerulus
PCT
Loop of henle
Collecting duct
First part of the nephron where the glomerular filtrate enters from the glomerulus
Glomerulus
PCT
Bowman's capsule
Collecting duct
The b (a) membrane stops any proteins from entering the bowman's capsule from the glomerulus during ultrafiltration
What might you find in the glomerular filtrate?
Water
RBC's
Urea
Inorganic ions
Proteins
What is reabsorbed from the glomerular filtrate into the blood in the proximal convoluted tubule (PCT)?
Glucose
Water
Urea
Inorganic ions
What method of transport does glucose and inorganic ions get reabsorbed into the blood at the PCT
Osmosis
Diffusion
Active transport
What method of transport does water get reabsorbed into the blood at the PCT
Osmosis
Diffusion
Active transport
We reabsorb glucose from the urine as we need it for what reaction?
(a)
The hormone that is released to control water levels in our blood
(a)
The region of the brain that detect the change in concentration of the blood
Hypothalamus
Pituitary gland
Optic nerve
Where ADH is released from
Hypothalamus
Pituitary gland
Pancreas
Not enough water in our blood results in ................. ADH being released
More
Less
ADH causes the collecting duct to become ............... permeable to water
More
Less
More ADH secreted from the pituitary gland =?
More water reabsorbed and less concentrated urine
Less water reabsorbed and more concentrated urine
Less water reabsorbed and less concentrated urine
More water reabsorbed and more concentrated urine
