Page 22 - Biology Form Two
P. 22
Biology for Secondary Schools
proteins, fats or oils, sugars, and Nutritional requirements for
salts; different groups of people
(ii) Take recommended amounts of Task 1.4
fruits and vegetables in the diet; Search for information from the library
FOR ONLINE READING ONLY
(iii) Eat a variety of foods, including and internet sources on diet requirements
whole grains, fruits, vegetables, for different groups of people. Then,
and food with roughage to provide summarise your findings.
the body with the required energy
and nutrients; The ratio of nutrients needed by the body
varies depending on the age, sex, health
(iv) Maintain an appropriate body
weight to height ratio within the state, amount of activity, or general state
limits recommended by the World of the body. Therefore, different groups
Health Organisation (WHO); of people such as pregnant women and
lactating mothers, children, the elderly,
(v) Do physical activities daily for 30 and the sick have different nutritional
to 40 minutes;
needs.
(vi) Replace red meat with fish, Pregnant women and lactating mothers
poultry, or lean meat in your diet; Pregnant women and lactating mothers
(vii) Take low fat dairy products and need to get enough nutrients in their
low salt foods; meals. They should eat a balanced diet
(viii) Limit consumption of sugary because they require enough nutrients
drinks and all sweets; and for themselves and their growing
(ix) Avoid processed and baked foods, foetus and babies, respectively. Food
particularly those high in sugars, rich in protein is needed by pregnant
unhealthy fats and additives. women and lactating mothers to build
the muscles, breasts, uterus, blood
supply, and for proper functioning of
tissues and organs of the foetus and
baby.
Pregnant women are advised to eat food
rich in folic acid. These help to lower
the risk of birth defects such as spina
bifida. Spina bifida is a spinal disorder
characterised by a hole in the spine. It
16 Student’s Book - Form Two
05/10/2024 15:36:19
BIOLOGY FORM 2 NEW.indd 16 05/10/2024 15:36:19
BIOLOGY FORM 2 NEW.indd 16
