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WorksheetsDigestive, excretory and endocrine systems
Total questions: 15
Worksheet time: 27mins
[1] The diagram show some organs of the human body.
In which organ does the digestion of proteins take place?
P and Q
P and R
Q and R
Q and S
[1] The diagram shows a piece of small intestine during peristalsis.
What is happening at X?
circular muscles: contracted / longitudinal muscles: contracted
circular muscles: contracted / longitudinal muscles: relaxed
circular muscles: relaxed / longitudinal muscles: contracted
circular muscles: relaxed / longitudinal muscles: relaxed
[1] The graph shows the quantities of selected vitamins and minerals in four foods.
Which food is the richest source of the vitamin or mineral essential for the transport of oxygen by the blodd?
beans
eggs
fish
fruit
[1] The diagram shows a large molecule chaging into smaller molecules.
What is process X?
absorption
chewing
digestion
secretion
The figure shows the alimentary canals of two mammals, an insect-eating bat, which is a carnivore, and a rabbit, which is a hervibore.
[2] a. Name the organs labelled V and W.
[3] b. Explain the role of mechanical digestion.
[1] Which diet will cause the liver to produce the most urea?
high carbohydrate, low fat
high fat, hifh fibre
high fat, low protein
high protein, low carbohydrate
[1] The graph shows the rates of sweat production and urine production at different environmental temperatures.
Which statement is correct?
As the temperature increases, the rate of sweat production decreases.
At 22°C the rates of sweat and urine production are the same.
Urine and sweat production are directly proportional to environmental temperature.
When the urine production decreases, the sweat production decreases.
[1] The diagram shows the human excretory system and its main associated blood vessels.
Which labelled structure contains urine?
A
B
C
D
[1] The diagram shows some organs in which urea is found.
Which organ makes urea, and which organ removes it from the blood?
P: makes urea / Q: removes urea from the blood
Q: makes urea / Q: removes urea from the blood
Q: makes urea / R: removes urea from the blood
R: makes urea / P: removes urea from the blood
The lungs and the kidneys are excretory organs of the human body.
[3] a. Define the term excretion.
[1] b. State an excretory product that is passed out through the lungs.
[3] c. Outline the role of liver in excretion.
[1] Which organ produces a hormone?
heart
lung
ovary
spinal cord
[1] Which target organ releases glucose into the blood-stream as a result of the action of adrenaline?
adrenal gland
kidney
liver
pancreas
[1] After a meal, the concentration of blood glucose increases.
What then causes the concentration of blood glucose to return to normal?
adrenalin
blood cells
insulin
platelets
[1] When a person is frightened, adrenalin is released by the adrenal glands.
What are the effects of the adrenaline?
breathing rate: decreased / heart beat rate: decreased
breathing rate: decreased / heart beat rate: increased
breathing rate: increased / heart beat rate: decreased
breathing rate: increased / heart beat rate: increased
The figure is a diagram that shows the control of blood glucose concentration.
[1] a. State one reason why the concentration of glucose in the blood increases.
[1] b. State one reason why the concentration of glucose in the blood decreases.
[2] c. Name two places in the body where glycogen is stored.
[3] d. Explain how an increase in glucose concentration is controlled in the body.
