UNIT 4. REPRODUCTION. HUMAN LIFE STAGES. HEALTHY HABITS.

HUMAN REPRODUCTION

TWO SYSTEMS CARRY OUT REPRODUCTION:

MALE REPRODUCTIVE SYSTEM

TESTES ARE MALE ORGANS FOR REPRODUCTION

AND

FEMALE REPRODUCTIVE SYSTEM

OVARIES ARE THE FEMALE ORGANS FOR REPRODUCTION

HUMAN LIFE CYCLE

HUMANS CHANGE OVER TIME. THERE ARE 5 STAGES IN HUMAN LIFE CYCLE: INFANCY, CHILDHOOD, ADOLESCENCE, ADULTHOOD AND OLD AGE.

INFANCY (0-2 years old)

WE HAVE OUR FIRST TEETH

 WE LEARN TO WALK 

 WE LEARN TO TALK (WE SAY OUR FIRST WORDS)

 

 CHILDHOOD (3-12 years old)

 WE GROW TALLER 

 WE LEARN MANY THINGS 

ADOLESCENCE (+ 12 years old)

OUR BODY CHANGES...WE BECOME MEN AND WOMEN 

ADULTHOOD (18-65 years old)

 WE GET READY TO WORK 

 MANY ADULTS HAVE CHILDREN 

OLD AGE

 OUR BODIES ARE NOT VERY STRONG 

 WE HAVE EXPERIENCE. WE KNOW A LOT. 

HEALTHY HABITS

GOOD NUTRITION

 EAT A BALANCED DIET

GOOD HYGIENE

WASH YOUR HANDS AND TEETH AND

 TAKE SHOWERS FREQUENTLY

PROTECT YOUR EYES

READ WITH A LOT OF LIGHT

DON'T LOOK AT ELECTRONIC DEVICES ALL DAY.

PROTECT YOUR EARS

 LISTEN TO MUSIC AT A LOW VOLUME.

 SPORT

SPORT IS GOOD FOR OUR HEALTH.

IT MAKES OUR HEARTS STRONG.

 SLEEP

WE NEED TO SLEEP A LOT.

WE REST WHILE WE ARE ASLEEP.