Body+Systems+and+Homeostasis

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__Circulatory System__
= = For the Khan Academy videos, you can click on "cc" for subtitles. It is much easier to understand when reading and listening simultaneously besides improving literacy-this is scientifically proven. "Circulatory System and the Heart" media type="youtube" key="QhiVnFvshZg" height="360" width="640" align="center"

"Red Blood Cell" media type="youtube" key="fLKOBQ6cZHA" height="360" width="640" align="center"

__Cellular Respiration__
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**__Respiratory System__**
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__**Nervous System**__
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Anatomy of Neuron media type="youtube" key="ob5U8zPbAX4" height="315" width="560" align="center"

Action Potential of Neuron media type="youtube" key="gkQtRec2464" height="315" width="560" align="center"

Neuronal Synapses (Chemical signaling) media type="youtube" key="Tbq-KZaXiL4" height="315" width="560" align="center"

__Endocrine System__
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**__Reproductive System__**
ICT in Biology: [|Menstrual Cycle Hormones] Use this [|database and graph-plotting activity] to chart the changes in menstrual cycle hormones of 20 women over 31 days. How does this compare the ‘standard’ graphs presented in the texts? How could you explain the results?

// Hormones and interactions review: // print and complete this concept map: = **Human Reproduction Presentation** = media type="youtube" key="vXSu68PmbKQ" height="480" width="853" align="center"

__ Sexually Transmitted Disease Project __


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Lab Question: What nutrients will help yeast reproduce? How would you know if they are reproducing?

** And some BioEthics cases on IVF: ** [|Australasian bioethics special: IVF] [|Vatican condemns IVF] Journal of Medical Ethics: [| State of the Debate] [|Octomom signs reality TV deal] The seedy side of sperm-banks – [|low regulation leads to one father with 150 kids]. ……….o0O0o……….. ** Nobel Prize for Medicine 2010: [|Robert G. Edwards for IVF] ! ** media type="youtube" key="E_zUkncwduM" height="480" width="640" align="center"

= __Helpful Websites:__ = Male reproductive system:__ [|http://kidshealth.org/parent/general/body_basics/male_reproductive.html] __ Female reproductive system: __ [|http://kidshealth.org/parent/general/body_basics/male_reproductive.html] __ Contraception: __ [|http://www.pbs.org/wgbh/amex/pill/sfeature/sf_cycle.swf] __ Menstrual cycle: __ [|http://resources.schoolscience.co.uk/abpi/new/resources/hormones/horm4.asp] __

** Further reading: ** - [|Cause of pre-eclampsia discovered] (link to enzymes and inhibition), from The Guardian - A [|cartoon post on how the pill works], from Beatrice the Biologist. - [|How the inventor of the pill changed the world for women], from the Guardian. - [|Putting numbers into context, regarding success rates of IUDs], from BadScience. - [|Great 3D Pregnancy calendar and loads of resources on being and getting pregnant], from ParentsConnect - And [|another one from BabyCentre.com]. ……….o0O0o……….. ** Ethics: ** [|//How ultrasound changed the human sex ratio//], by Mara Hvistendahl. A great excerpt from what looks to be a wonderful book. Read it!

But where do babies really come from? media type="youtube" key="Dggt7PuoG00" height="480" width="640" align="center"

// Key terms: reproduction, gametes, FSH, follicle, LH, luteinizing, hormone, oestrogen, progesterone, testosterone, HCG, oxytocin, zygote, embryo, fetus, placenta, meiosis, fertilisation, menstrual cycle, menstruation, ovulation, endometrium, feedback, ivf, in-vitro. //

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