Flow chart of Unit 1. Processes of Life. 3rd grade primary. Natural Science

1. Processes of life
nutrition involves
Digestion
Absorb the nutrient
Main organ: stomach
and intestines
Respiration
Breathe in air.
Main organ: lungs
Circulation
Moves oxygen and nutrients, in the blood,
throughout your body
Main organ: heart
Excretion Expel the waste material
Provides your body with energy
and nutrients from food
reproduction
is the ability to have
offspring similar to ourselves
Sexual reproduction: male
and females must come
together to reproduce
Human beings are viviparous: babies
develop in the mother's womb
Physical
characteristics are
inherited
sentivity
Is the ability to detect and respond to
changes in the environment
The information comes
through our 5 senses
Sight, hearing,
touch, taste, smell
Main organs
1. Sense organs:
obtain info
2.Nervous system: brain
and nerves system carry information
3. Locomotor system: bones and muscles
carry out a response