THE COORDINATION CENTRES

The nervous system: is made up of the central nervous system (CNS) and the peripheral nervous system (PNS).

Central nervous system

Practice: activity.https://es.educaplay.com/recursos-educativos/5094636-the_nervous_system.html

Encephalon

Nerve impulses are transmitted across a synapse.

The endocrine system.

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1º ESO B y C. Unit 7: Ecosystems and biodiversity.

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The blood flow

Humans have double and complete circulatory system. The blood runs through two circuits: the pulmonary circuit and the sistemic circuit.

BIOLOGÍA Y GEOLOGÍA - BIOLOGY AND GEOLOGY

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