hOW OUR BODIES WORK
merylu_722
Created on October 17, 2019
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Transcript
How our bodies work
The stages of life
The senses
Bones and muscles
Human beings
Life processes
Human beings
People are mammals. The differences between humans and other animals are: .
- We can think because we have a super brain.
- We can talk to communicate.
There are other physical characteristics that makes us unique: BODY SHAPE. INDIVIDUAL CHARACTERISTICS. SEXUAL CHARACTERISTICS
The parts of human body ->
The stages of life
Adulthood (25-70 years old)
Young adulthood(16-25 years old)
Adolescence(11-16 years old)
Childhood (0-11 years old)
- We learn to walk, eat alone...etc.
- Our bodies grow quickly.
- Our bodies are totally formed.
- We are ready to have babies.
- Our bodies become stonger.
- Our personalities are totally formed.
- Big physical changes occur.
- Sexual characteristics appear.
Old age (from 70 years old)
- Less physical strength, agility and mental abilities.
Life processes
Human beings are living things. We do the three life processes:
Nutrition
Interaction
Reproduction
NUTRITIONThis life process happens when we eat and breathe. This is how we obtain energy and the other things you need to live.For nutrition we need:
REPRODUCTIONHumans can produce descendants.This life process is the reproductive system. It is different in men and women.
INTERACTIONConsists of being aware of what happens around us and reacting to it. Interaction involves:
Bones and muscles
The musculoskeletal system consist of the skeleton, joints and muscles, and is controlled by the nervous system.
The senses
The senses are: sight, hearing, smell, touch and taste.
Eyes are the organs of sight. They allow us to see.
The ear is the organ of hearing. Our sense of hearing allows us to perceive sounds.
The nose is the organs of smell. Smell allows us to perceive odours (smells).
TouchThis sense is in our skin. With the sense of touch, we perceive the temperature, texture or shape of an object
The sense of taste is on the tongue. The tongue is able to detect the flavours.