COORDINATION
What is it? Humans and animals, have to coordinate lots of different processes (eating, breathing...). They also have to react to what goes around them.
Two coordination systems
Nervous system
What is for? To react very quickly
Parts: nerves and central nervous system
Consits in: Central nervous system and peripheral nervous system (sensory nerves and motor nerves
Combination with: receptors and effectors
What is for? Redulates the activity of cells or organs. Hormones regulates body's growth.
Endocrine system
Parts: hypothalamus, pineal body, tyroid and paranoid, thymus, adrenal gland, pancreas and ovary.
Two tipes of diseases/illnesses
Mental illnesses
Neurodegerative diseases
What do they do? They are caused when neurons in the brain become damaged or die
Homeostasis
Examples. Alzheimer, parkinson and multiple sclerosis
What are they? Are medical conditions that affect a person's thinking, feelings, moods...
Examples. Depression, schizophrenia and hyperactivity
Means maintaning a constant internal environment. Keeps the body temperature close to 37°C and regulates blood sugar, water...
- If the body temperature starts to increase, the body acts to reduce
- If the body temperature starts to decrease, the body acts to increase.