Page 12 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six
P. 12
Biology for Secondary Schools
they are about eight months old while The study of Anatomy helps medical
the improved breeds known as layers doctors to learn the structure of the
can start laying eggs as early as five body and how it functions. This makes
months. An example of an improved it possible for them to know what is
layer breed is shown in Figure 1.3. wrong in the body and how it can be
FOR ONLINE READING ONLY
treated. In Immunology, scientists study
the body’s response to disease-causing
agents. This knowledge is important in
the formulation of vaccines and drugs
that are able to prevent and treat diseases,
respectively. Some of these drugs and
vaccines are made from animals, plants,
fungi, or micro-organisms.
Nutrition
The study of Biology is important in
Figure 1.3: Improved layer breed
understanding the composition and
Researchers have also developed breeds value of different groups of foods.
of crops and animals that perform well This knowledge is used by dieticians
under specific climatic conditions. For to determine the kind of diets that are
example, researchers have been able to suitable for people with different health
develop varieties of maize seeds that are needs.
resistant to diseases and that grow well
even in harsh conditions. Biologists have also developed breeds of
livestock and crops that yield products
Medicine and pharmacy of higher nutritional value. Examples
Medicine is the study of the prevention, include varieties of sweet potatoes
treatment, and cure of diseases. Pharmacy that are rich in vitamin A and a breed of
is the science of preparation and Jersey cattle, as shown in Figure 1.4,
administration of drugs. Anatomy and which produce milk with low butterfat
Immunology form an important part of content. Such breeds are known as
the study of medicine. improved breeds.
6 Student’s Book Form One Student’s Book Form One
15/10/2024 09:24:17
Biology FORM 1 new.indd 6 15/10/2024 09:24:17
Biology FORM 1 new.indd 6
