UNIT 5 COORDINATION AND NERVES
In this unit, you will understand the human body as a single, perfectly regulated, coordinated unit, not just a collection of unconnected systems and organ systems.
THE FUNCTION OF INTERACTION IS ESSENTIAL FOR SURVIVAL. IT ALLOWS
THE BODY TO PERCEIVE STIMULI OR CHANGES IN THE ENVIRONMENT AND
RESPOND TO THEM APPROPIATELY THROUGH THE EFFECTOR ORGANS.
INTERACTION involves the following organs and systems:
- SENSORY RECEPTORS OR SENSE ORGANS
- THE NERVOUS SYSTEM
- THE ENDOCRINE SYSTEM
- THE MUSCULOSKELETAL SYSTEM
SENSORY RECEPTORS OR SENSE ORGANS
THE NERVOUS SYSTEM
You will learn about the central nervous system (the brain
and spinal cord), and how they are connected to the rest of the
body’s organs by a complex network of nerves in the peripheral
nervous system.
THE NEURONS
When a neuron is excited, a nerve impulse is generated. This impulse is transmitted along the neuron in the form of an electric current. It always travels in one direction: it enters through the dendrites, travels to the soma and leaves through the axon.
The nerve impulse passes from one neuron to the next via connections
called SYNAPSES
SYNAPSES
THE BRAIN
The peripheral nervous system
Autonomic Nervous System: sympathetic vs parasympathetic
The stress response and your autonomic nervous system
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CLICK HERE TO SEE STUDENTS´PRESENTATIONS Thank you for sharing your job!
UNIT 5 SOLUTIONS
THE ENDOCRINE SYSTEM
- The hypothalamus sends out releasing hormones which stimulate the secretion of pituitary hormones.
- The pituitary hormones act on their target organs. In many cases, these organs are endocrine glands that respond by secreting other hormones.
- When enough of these final hormones are released, they act on the hypothalamus and pituitary gland, preventing the secretion of their respective hormones. This stpos the cascade of hormone release.
Thyroid Gland, Hormones and Thyroid Problems
CASE STUDY
TEST YOURSELF!!CLICK HERE
