Nervous system= sends electrical signals.

Endocrine system= sends chemical signals.

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​Controlling the body

Organs within the body that release chemicals into the bloodstream to help control the body's functions.

Part of the endocrine system

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Glands (#8)

Hormones (#9)

What are hormones?

The chemicals released by glands are known as hormones.

Hormones

Chemicals produces by glands

Insulin produced by pancreas controls blood sugar

Adrenaline increases heart rate and breathing in times of stress.

Thyroxine controls metabolism (energy) in body

Homeostasis (#10)

What is homeostasis

The ability of the body to remain stable despite the changes from the environment.

Homeostasis

​Conditions

Temperature: 98.6 degrees on average

Water balance:

Energy needs:

Balance: your inner ear controls your balance