Page 63 - Biology Form Two

Biology for Secondary Schools

Symptoms of peptic ulcers roughage in the diet decreases the rate of
(i) Burning pain in the stomach or in food digestion. Hence, food stays longer
the middle of the thorax in the digestive system. Furthermore, a
(ii) Tiredness and weakness lack of body exercises and sitting for a
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(iii) Nausea and vomiting long time or engaging in a sedentary life
(iv) Blood drops in vomit or stool (a style can result into constipation. Other
causes of constipation include effects
sign of bleeding ulcers) of certain drugs and ignoring the urge
(v) Heartburn for a long call.

Prevention and control of peptic Symptoms of constipation
ulcers (i) A lack of bowel movement for
Peptic ulcers are prevented by avoiding three or more days.
smoking, excess alcohol, and caffeine. (ii) Hard stool that is difficult or
The ulcers are controlled by avoiding painful to pass.

food that irritates the stomach such as (iii) Getting the urge to go for a long
peppery foods, citrus fruits, and acidic call even after you have just gone.
foods because they worsen stomach
ulcers. A person should also adhere Prevention and control of constipation
to personal and food hygiene to avoid (i) Eat foods with enough fibers such
infections. as vegetables and fruits.

Constipation (ii) Drink enough water and other
Constipation is a condition which results liquids every day.
in difficulty in emptying the bowel. It (iii) Engage in physical exercise
occurs when stool becomes dry and regularly.
hard due to the excessive absorption of (iv) Go for a long call when you feel
water in the colon. This can be caused by the urge.
low intake of liquids including drinking (v) Seek medical help if constipation
water. The body needs enough water persists.
for regulating most of the metabolic
processes, including digestion. Lack of
adequate amounts of fibre or roughage Flatulence
in the diet can also lead to constipation. Flatulence is a condition of releasing
This is because roughage is composed gas from the digestive system through
of indigestible materials that help the the anus. This condition is caused by
food to be moved through the digestive excess gas in the digestive tract. This
system at an appropriate rate. A lack of could be due to swallowed air or eating

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