That Human Bio Thing: Recent Episodes
Ant M
A series of podcasts aimed at helping students understand some Human Biology concepts in preparation for the Human Biology WACE exams and Year 11 HBY. Any mistakes are all my own, due to no time to edit. The content may be useful to Biology students globally, because content is content.
In this final episode, I discuss inheritance, the terms used in genetics, predicting genetic crosses and pedigrees. Sorry it is longer than I hoped, but you can always pause and/or delete!
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In this episode I discuss the different types of contraception and the different types of sexually transmitted infections.
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In this episode, I describe the three stages of labour, the changes in the mother after giving birth, the differences between foetal circulation and circulation in the newborn, and lactation.
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In this episode I describe the changes that occur in the mother’s body during pregnancy, I discuss how a mother maintains a healthy pregnancy. Then I discuss factors that can affect foetal health and how this can be monitored. I end discussing some assisted reproductive techniques.
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In this episode I discuss the types of stem cell, where they are harvested from, their uses now and in the future, ethics and legislation.
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In this episode I discuss the two reproductive cycles. I talk about gonadotropins in both males and females and their effects. I describe sexual intercourse, leading to fertilisation. Finally, I talk about the development of the foetus from conception to birth.
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In this episode I describe the male and female reproductive systems. Also, I discuss the processes of spermatogenesis and oogenesis.
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In this episode, I describe the phases of mitosis and its importance. I discuss cancer. I describe the phases of meiosis and it’s importance.
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In this episode I describe the structure of DNA, semi-conservative replication, protein synthesis and epigenetics.
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In this episode I discuss the different types of muscle, how muscles work and microscopic structure of skeletal muscle. Then I describe the function of the skeleton, the structure of a long bone, the differences between compact and spongy bone, cartilage and bones of the body. Finally, I talk about joints, osteoporosis and osteoarthritis.
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In this episode I discuss the excretory organs, the structure and function of the kidneys and kidney failure.
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In this episode I look at the part of the digestive system, as well as mechanical and chemical digestion.
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In this episode I discuss the structure of the lungs, how inhalation and exhalation occur, adaptations to improve gas exchange and the effect of some lung diseases.
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In this episode, I discuss the components of blood, what is transported in the blood, the heart and the main blood vessels leading to and from the heart. Also, I describe the lymphatic system and touch on blood types and transfusions.
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In this episode, I discuss what metabolism is, the macromolecules, enzymes, respiration, energy and the uses of energy.
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In this episode I describe the structure of the cell, the function of organelles of the cell and movement across membranes. Then I describe different types of tissue.
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In this episode, which links with Episode 1 of That Human Bio Thing, I discuss the Scientific method and things to consider when answering questions on Science Inquiry
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In this episode I introduce some tips that will hopefully help you to plan your time when you study this content-heavy subject.
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In this episode I look to provide some exam tips for preparing for the WACE exam (and maybe Semester exams too! 😄 🧐)
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In this episode I discuss the anatomical changes that occur in hominins; the trends to a bipedal stance. We look at changes from australopithecines to Homo sapiens including cultural advances.
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In this episode the comparative biochemical and anatomical evidence is discussed. Then I discuss fossil evidence, including absolute and relative dating techniques. Finally, I mention the geological time scale and use of phylogenetic trees.
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In this episode I discuss mechanisms for evolution including mutations, random genetic drift, founder effect, migration and natural selection. I give an example of a genetic disease whose allele frequency is dependent upon selection pressures. Then I describe speciation
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This is a longer podcast than I hoped! I compare DNA sequencing and profiling. The process of PCR is described. Uses of recombinant DNA technology are described, as is gene therapy. Finally, I briefly mention cell replacement therapy and tissue engineering.
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In this episode I discuss differences between gene and chromosome mutations, somatic and germinal mutations, causes of gene and chromosome mutations and examples.
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In this episode I discuss antibody-mediated and cell-mediated response, immunity, vaccination and ethical considerations.
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In this episode, I look at types of pathogen, the differences between bacteria and viruses, the first and second line of defence, the inflammatory response and fever.
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In this episode, I describe how the body responds to changes in blood glucose levels, contrast Type I and II diabetes, and discuss how breathing is regulated
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In this episode I discuss thermoregulation and osmoregulation feedback loops. I consider some context for exam questions and the importance of this when answering questions on this topic.
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In this episode I discuss the different types of receptors and reflexes. Then I look at steady state systems, including definition of terms, tolerance limits, and an overview of positive and negative feedback loops.
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In this episode, I talk about protection of the Central Nervous System and the different parts of the brain. Probably required a bit of editing, so hopefully it’s useful.
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In this episode I describe the divisions of the nervous system and contrast the following: sympathetic parasympathetic, somatic v autonomic, nervous v hormonal.
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In this episode I describe the different types of neuron, the difference between myelinated and unmyelinated neurons, how an action potential occurs, and synaptic transmission.
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In this episode I talk about the difference between endocrine and exocrine glands, different types of hormones and their action, and the relationship between the hypothalamus and the pituitary gland.
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How do you answer questions on investigations in Human Biology. Some tips.
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