Unit 8 - Nervous, Endocrine and Immune Systems

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Understand the role of ligand and receptors in cell to cell communication
Understand the neural pathway- Sensory, Inter, Motor neurons
Understand how a cell creates resting potential through the use of ATP and the NA+/K+ pump.
Understand how an action potential is triggered at the synapse.
Understand how an action potential travels down the neuron.
Understand the role of neurotransmitters in neuron to neuron communication.
Understand the role of the myelin sheath in aiding action potentials down a neuron.
Understand the role of the hypothalamus and the pituitary in regulating the endocrine system.
Understand the role of hormones and target cells
Understand how steroid and peptide hormones affect target cells by two different pathways, based on the hormone's polarity.
Understand and be able to describe both negative and positive feedback mechanisms.
Understand the immune system
Understand how white blood cells communicate via antigens and histamines.
Understand how B-cells function to produce antibodies.
Understand how T-cells protect by maturing to detect self from non-self.