<

Human Biology Form 5 Science

Chapter 2: PERSONAL HYGIENE

Care of the Head and nose
  • Taking care of the nose: the nose is the external part of the respiratory system, it taking in air and send out. The nose should be bowled an interval using a handkerchief  which must be change regularly. Breathing through the mouth is not very good because the mouth doesn’t have hair to filter the dirts
  • Taking care of the eyes:  The eyes should be keep clean by washing with clean water to prevent the entering of germs that causes eyes disease from developing.
  1.  Avoid reading in deep light as these causes stress to the eyes which can leads to eyes problem.
  2. Used medical lenses if you are side a vision is not the best
  3. Always consult an optician before buying lenses
  4. It is foolish and dangerous to ware lenses when the eye doesn’t need it
  • Taking care of the ears : After breathing of swimming always dry ear with clean to wall to prevent the germination of fungi spors
  • Taking care of the teeth:  Bruch the teeth more than 2 times a day
  1.  Always bruch your teeth in the night after eaten
  2. Avoid shape object in the mmouth
  3. Always use a tooth paste when bruching your teeth
  4.  When you eat in the night food particles stay on your teeth and decompose and when sleeping it decompose and penalises your teeth.
  • Taking care of the head: Always keep your hair clean by watching with soap and clean water
  1. Always dry your hair with a clean towel after washing it
  2. Always comb your head
  3. Always make in  such a way that your hair should be short and clean
  • Taking care of the genitals:
  1. Men should wash their penis at least once a day with soap and clean water
  2. Both men and women have to cut hair their genital part
  3. Women have to wash the genitals part only with clean water
  4.  If women wash with soap soap contain toxic chemicals material that will killed bacterials that protect the genital part.

IMPORTANCE OF HANDS

  • For manipulation of object
  • For defence
  • For non-verbal communication e.g sign language

IMPORTANCE OF THE FEET

  • It is use for movement
  • Use for defense
  • Use for sporting activity

IMPORTANCE OF THE SKIN

  • USE AS ORGAN OF EXCRETION
  • It regulate the body temperature
  • Protect the inert part of the body from mechanical and chemical injury
  • It is use to produce vitamin D under sun

IMPORTANCE OF THE GENETAL

  • The genetal of a female(vagina) function in 4 ways
  • It is use for reproduction
  • It is use for excretion
  • It is use for giving birth
  • It is use for sexual purpose(reproduction) the genitals of a male(penis) function in 2 ways
  • Use for sexual reproduction
  • Use for excretion
par Claude Foumtum