Endocrine system

Endocrine system

Internal communication network that coordinate and control processes in the body

Hormones

Chemical messages to communicate with other cells and organs

Endocrine glands

Produces hormones released into the bloodstream

Hypothalamus

Control centre of the body

Homeostasis

Body’s way to keep a stable internal environment despite external changes

Bodily functions

Any natural physical or organic process within the body to sustain life

Pituitary gland

Regulates body functions

Amygdala

Pineal gland

Regulates the body’s daily (circadian) clock

Thyroid gland

Controls body’s metabolism

Parathyroid gland

Controls calcium levels in bloodstream

Calcium

Mineral that helps the body build strong bones and teeth

Calcitonin

Control calcium levels in the blood

T4 hormone (main hormone produced by thyroid)

Pro-hormone that converts into T3. Acts as a storage supply

T3 hormone

Thymus

Protects body from pathogenic threats

Pancreas

Part of digestion, breaking down food

Glucagon

Hormone produced by pancreas, prevents blood sugar from dropping too low

Glycogen

Stored form of glucose (made up of many connected glucose molecules)

Adrenal Glands

Produce hormones to regulate functions, most commonly known for stress response

Adrenaline

Fight or flight hormone released during stress or danger

Testes

Produce sperm for reproduction and hormone testosterone

Ovaries

Testosterone

Regulates sex drive, sperm production, muscle mass and bone density

Estrogen

Primary sex hormone for developing sexual characteristics

Progesterone

Hormone that thickens uterus lining, regulates menstrual cycle and promotes breast tissue development