UP:SC15.HAP.13

Vocabulary

  • ductless glands
  • endocrine glands
  • endocrine secretions
  • environmental signals
  • exocrine glands
  • exocrine secretions
  • hormones
  • receptors
  • target cells
  • ligand
  • surface receptor
  • internal receptor
  • effector
  • negative feedback
  • agonists
  • antagonists
  • peptide hormones
  • lipid hormones
  • pituitary gland (anterior and posterior)
  • hypothalamus
  • releasing hormones
  • oxytocin
  • prolactin
  • growth hormone
  • pineal gland
  • melatonin
  • serotonin
  • adrenal glands
  • glucocorticosterioids
  • cortisol
  • mineralcorticosteroids
  • adrenaline
  • epinephrine
  • thyroid gland
  • parathyroid gland
  • calcitonin
  • parathyroid hormone
  • pancreas
  • insulin
  • glucagon
  • thymus gland
  • thymosin
  • gonads (ovaries, testes)
  • estrogen
  • progesterone
  • testosterone
  • pituitary dwarfism
  • Addison's disease
  • diabetes mellitus
  • diabetes insipidus

Knowledge

Students know:
  • The endocrine system is composed of glands that produce endocrine secretions that go directly into the blood and are cellular signals.
  • Hormones work through a feedback loop—they attach to receptors on target cells, cause a metabolic change within the target cell, which causes the target cell (effector) to act in response to the stimulus or signal.
  • Chemicals that carry out the job of a hormone by turning on a cell response are called agonists.
  • Chemicals that carry out the job of a hormone by turning off a cell response are called antagonists.
  • There are two types of hormones—peptide hormones are usually involved in rapid body changes and lipid hormones play a role in body fluid control and sexual reproduction.
  • The human endocrine system is composed of ten endocrine glands: hypothalamus, pituitary, pineal, parathyroid glands, thyroid, thymus, adrenal, pancreas, ovary and testis.
  • Each of the endocrine glands produces specific hormones that effect various functions within the body.
  • Each endocrine gland needs some type of feedback signal to control its level of hormone production.
  • Diseases of the endocrine system can cause too much or too little hormone secretion.
  • Changes in hormone production contribute to aging.

Skills

Students are able to:
  • Gather, read, and interpret scientific information about the endocrine system and its structure, including endocrine glands and the hormones they produce.
  • Evaluate, based on evidence, the claim that endocrine glands secrete hormones that help the body maintain homeostasis through feedback loops.
  • Communicate scientific information, in multiple formats (e.g., orally, graphically, textually) to explain the structure and function of the endocrine system, as a whole, and of its intrinsic parts.
  • Use scientific literature to identify conditions and diseases that effect the endocrine system.
  • Evaluate, based on evidence, how these conditions and diseases affect the body.
  • Analyze data in order to make a valid and reliable scientific claim about how the body responds to the identified conditions and diseases in its attempt to maintain homeostasis.
  • Analyze data to determine a correlation and possible cause and effect relationship.

Understanding

Students understand that:
  • The endocrine system is composed of several glands throughout the body that secrete hormones to specific target tissues.
  • The endocrine system uses feedback loops to maintain homeostasis within the human body.
  • Genetic, environmental, and lifestyle factors can contribute to the development of endocrine disorders.
  • Lifestyle choices and various medications can help alleviate some endocrine disorders.
  • Multiple systems interact to play a part in endocrine function and pathology.

Scientific and Engineering Practices

Analyzing and Interpreting Data; Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect; Structure and Function
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