Page 18 - ScienceStd4
P. 18
Activity 5
Use the library or reliable online sources to find information
FOR ONLINE READING ONLY
about different types of physical exercises. Then, do the
exercises that you are able to perform.
Benefits of exercising
It is good to do physical exercises regularly. Regular physical
exercises help:
(a) Stay healthy and strong;
(b) Keep body systems like digestion and excretory systems
working well;
(c) Strengthen body immunity to fight different diseases;
(d) Reduce stress and depression; and
(e) Refresh the mind and have fun.
Effects of not doing exercises
Lack of physical exercises can cause problems like:
(a) Having poor health and weak body;
(b) Gaining too much weight, leading to obesity;
(c) Getting chronic diseases like high blood pressure, diabetes,
and heart problems;
(d) Feeling stressed and depressed; and
(e) Having weak muscles and bones.
Personal and environmental hygiene
Maintaining hygiene of the body and the environment is
important for good health. Body and environment must be kept
clean all the time.
11
14/01/2025 18:38
SCIENCE AND TECHNOLOGY STD 4.indd 11
SCIENCE AND TECHNOLOGY STD 4.indd 11 14/01/2025 18:38