The Endocrine S ystem Endocrine glands produce hormones

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The Endocrine S ystem Endocrine glands produce hormones Hormones are secreted directly into the blood Blood transports them all over the body. Target cells have specific receptors in their membranes which the molecules bind to Groups of target cells are called target tissue. - PowerPoint PPT Presentation

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The Endocrine System

Endocrine glands produce hormonesHormones are secreted directly into the bloodBlood transports them all over the body

Target cells have specific receptors in their membranes which the molecules bind to

Groups of target cells are called target tissue

Types of hormones

Protein and peptide hormones (and those that are derivatives of amino acids)

Steroid hormonesHow do hormones work?

Adrenaline (a protein hormone)

ReceptorAdenyl CyclaseAdrenalineCell membraneHow do hormones work?

Adrenaline (a protein hormone)

How do hormones work?

Adrenaline (a protein hormone)

ATPCyclic AMP(cAMP)

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