Illustrates the phases of meiosis and explores its importance in maintaining the proper number of chromosomes during gamete formation. Explains how crossing over and nondisjunction increase diversity in the species.
Countries: CA
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Comparison of Mitosis and Meiosis
Compares the processes of mitosis and meiosis, focusing on the tissues in which these processes occur, the behaviour and number of chromosomes involved and the types of cells produced. Shows actual cells undergoing mitosis and meiosis.
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Asexual Reproduction and Alternation of Generations
Uses the analogy of soccer to explore diversity in plant and animal reproductive strategies. Compares sexual and asexual reproduction, looking at chromosomal activity, genetic variation and consequences of budding, binary fission and spore production.
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The Hypothalamus and Pituitary Gland
Describes how the pituitary and hypothalamus work together to control many body functions. Highlights the homeostatic feedback mechanism involved with regulating water balance in the body. Examines the use of growth hormone in humans.
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The Thyroid Gland
Explains the function and structure of the thyroid gland. Demonstrates the role of thyroxine in regulating metabolic rate. Examines disorders that may result when the thyroid does not function properly and describes treatments for these conditions.
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The Pancreas
Explores the many roles of the pancreas and its hormonal secretions. Illustrates how insulin and glucagon help regulate blood glucose levels in the body. Reviews the discovery of insulin and discusses current research on diabetes.
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The Adrenal Glands and Gonads
Examines the parts and functions of the adrenal glands. Uses the work of Hans Selye to explain the physiological basis of positive and negative stress. Illustrates how hormones regulate primary and secondary sex characteristics in males and females.
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Systems Regulating Change in Humans – Resource Correlation Guide – Unit 1
Provides references to relevant pages in print resources and additional information on concepts presented in the video programs.
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The Neuroendocrine System
Compares the nervous and endocrine systems by describing how each responds to a number of different situations — physical activity, body temperature, eating and stress. Summarizes the regulation of blood glucose and fluid levels in the body.
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Reproduction and Development – Resource Correlation Guide – Unit 2
Provides references to relevant pages in print resources and additional information on concepts presented in the video programs.