Adaptations
Humans walk upright on two legs, which leaves our hands free to carry food, look after babies, and make tools.
What is bipedalism?
The pump that pushes blood.
What is the heart?
the exchange of gases
What is respiration?
something we use from nature
What is a resource?
movement of electrons from atom to atom
What is electrical current?
Our thumbs can move and grip objects easily, helping us hold heavy tools and also do careful, detailed work like writing or drawing.
What are opposable thumbs?
The liquid carrying nutrients/oxygen.
What is blood?
taking oxygen( O2)in
What is inhalation?
The Earth's natural processes replace it faster than we can use it.
What is renewable?
A complete path that electricity travels around
What is a circuit?
the actions or habits that humans choose (or instinctually do) to help us live in our surroundings.
What are behavioural adaptations?
Tubes taking blood away from the heart.
What are arteries?
taking air out ( CO2)
What is exhalation?
uses the sun's light and heat to make electricity
What is solar energy?
Materials that allow electricity to pass through them
What is a conductor?
physical features of the human body that have changed over millions of years to help us survive
What are physical or structural adaptations?
Tubes bringing blood back to the heart.
What are veins?
known as the windpipe
What is the trachea?
living in a way that doesn't hurt the Earth, so there is plenty left for the future
What is sustainable?
Materials that do not allow electricity to pass through them like plastic, rubber
What are insulators?
Humans are awake during the day and sleep at night. Being active in daylight helps us see better and stay safer.
What is diurnal?
Tiny tubes where oxygen is dropped off.
What are capillaries?
voice box
What is the Larynx
Fossil fuels, coal, gas, nuclear energy
What are nonrenewable forms of energy?
made of neutrons and protons in a nucleus. Electrons move around the nucleus
What is an atom?