Post 3: "Breathing and circulation".

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*Breathing and circulation.

POST 3

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Breathing and circulation.	THE BREATHING PROCESS
	THE HEART
	THE RESPIRATORY SYSTEM I EL APARATO RESPIRATORIO
	THE RESPIRATORY SYSTEM II
	BREATHING
	GAS EXCHANGE
	EXPERIMENTS TO COMPARE INHALED AIR AND EXHALED AIR
	THE TRANSPORT OF GASES
	BREATING AND RESPIRATION
	THE HUMAN BLOOD CIRCULATION SYSTEM EL APARATO CIRCULATORIO HUMANO
	THE CIRCULATORY SYSTEM
	THE STRUCTURE OF THE HEART
	THE HEART AS A DOUBLE PUMP
	COMPOSITION OF THE BLOOD
	WHITE BLOOD CELLS
	BLOOD PLASMA
	VACCINES
	BLOOD AND CIRCULATION
	SELF-EVALUATION