An element Carbon exists in the nonliving environment (POOLS) as: - carbon dioxide (CO 2 ) in the atmosphere and dissolved in water - the lithosphere:
Energy systems1
Energy systems 2
Heart Power Point
Head Injury
Cardiovascular System Part I Chapter 11. Anatomy of the Heart Function: –Transportation. Uses blood to carry oxygen, nutrients and cell wastes. Size:
The Cardiovascular System: The Heart: Part A Cardiovascular System.
Gas Exchange. How does the air in our mouth differ from the air in our alveoli?
Carbon Cycle
Carbon Cycle Key points. Carbon Cycle geos.ed.ac.uk.
Gas Exchange in Plants What are the two main gases that all organisms on earth need to exchange back and forth between themselves and the environment?
Amphibians Classification Kingdom: Animalia Phylum: Chordata Subphylum Vertebrates Class: Amphibians Examples- frogs, toads, salamanders newts.
