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Biology

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Inheritance, variation and evolution

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Classification of living organisms

How Brain Messengers and Hormones Affect Us and Why Fertility Choices Matter

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How Brain Messengers and Hormones Affect Us and Why Fertility Choices Matter
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The human body's complex regulatory systems maintain internal balance through impact of neurotransmitters on brain function and the endocrine system hormonal regulation process, alongside various homeostatic mechanisms.

  • The nervous system, comprising central and peripheral components, coordinates body functions through specialized neurons and neurotransmitters
  • Homeostatic processes regulate crucial body functions including temperature, blood glucose, and water levels
  • Reproduction and inheritance involve complex genetic mechanisms, with both natural and assisted methods including fertility treatments and ethical considerations
  • Plant hormones play vital roles in growth responses and development
  • Ecological systems demonstrate intricate interactions between organisms and their environment

15/04/2023

481

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

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Page 2: Reproduction and Plant Hormones

This section explores reproduction mechanisms and plant hormone responses. Fertility treatments include various options for addressing reproductive challenges.

Definition: Tropisms are plant growth responses to environmental stimuli such as light (phototropism), gravity (geotropism), and water (hydrotropism).

Highlight: DNA is a polymer containing four bases (A-T, C-G) that determines genetic information and protein synthesis.

Example: Auxin, a plant hormone, influences cell elongation and can be used in weed killers and rooting powders.

Vocabulary: Alleles are different forms of the same gene, which can be either dominant or recessive.

The section also covers genetic inheritance patterns through Punnett squares and the principles of selective breeding.

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

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Page 3: Evolution and Ecology

The final section addresses evolution, protein function, and ecological classifications.

Definition: Cloning involves transferring the nucleus from a normal cell into an egg cell to create a genetic copy.

Highlight: Woese's classification system divides organisms into three categories: Archaea, Bacteria, and Eukaryota.

Example: Lamarck's theory suggested that environmental factors directly influence genetic changes, as illustrated by blind mackerel.

The section concludes with an introduction to ecosystem interactions between living organisms and their environment.

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

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Page 1: Nervous System and Homeostasis

The nervous system coordinates body functions through an intricate network of neurons and regulatory mechanisms. The central nervous system (CNS) consists of the brain and spinal cord, while the peripheral nervous system (PNS) comprises cranial nerves that transmit signals throughout the body.

Definition: Homeostasis is the maintenance of stable internal body conditions through various regulatory mechanisms.

Example: The reflex arc demonstrates how signals bypass the brain, traveling directly from receptor through the spinal cord to an effector.

Vocabulary: Neurotransmitters are chemical messengers that transmit signals between neurons across synapses.

Highlight: The brain exhibits contralateral control, meaning the left hemisphere controls the right side of the body and vice versa.

The endocrine system works through glands producing hormones that regulate bodily functions. The pituitary gland acts as the master gland, controlling other endocrine glands including the thyroid, pancreas, ovaries, and testes.

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Know Learning classification and specification of organisms thumbnail

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Learning classification and specification of organisms

Specification and classification (the basic information)

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Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

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Knowunity is the #1 education app in five European countries

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I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

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The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.

Subjects

/

Biology

/

Inheritance, variation and evolution

/

Classification of living organisms

How Brain Messengers and Hormones Affect Us and Why Fertility Choices Matter

user profile picture

A

@ag.07

·

4 Followers

Follow

The human body's complex regulatory systems maintain internal balance through impact of neurotransmitters on brain function and the endocrine system hormonal regulation process, alongside various homeostatic mechanisms.

  • The nervous system, comprising central and peripheral components, coordinates body functions through specialized neurons and neurotransmitters
  • Homeostatic processes regulate crucial body functions including temperature, blood glucose, and water levels
  • Reproduction and inheritance involve complex genetic mechanisms, with both natural and assisted methods including fertility treatments and ethical considerations
  • Plant hormones play vital roles in growth responses and development
  • Ecological systems demonstrate intricate interactions between organisms and their environment

15/04/2023

481

 

10/11

 

Biology

9

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

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Page 2: Reproduction and Plant Hormones

This section explores reproduction mechanisms and plant hormone responses. Fertility treatments include various options for addressing reproductive challenges.

Definition: Tropisms are plant growth responses to environmental stimuli such as light (phototropism), gravity (geotropism), and water (hydrotropism).

Highlight: DNA is a polymer containing four bases (A-T, C-G) that determines genetic information and protein synthesis.

Example: Auxin, a plant hormone, influences cell elongation and can be used in weed killers and rooting powders.

Vocabulary: Alleles are different forms of the same gene, which can be either dominant or recessive.

The section also covers genetic inheritance patterns through Punnett squares and the principles of selective breeding.

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 3: Evolution and Ecology

The final section addresses evolution, protein function, and ecological classifications.

Definition: Cloning involves transferring the nucleus from a normal cell into an egg cell to create a genetic copy.

Highlight: Woese's classification system divides organisms into three categories: Archaea, Bacteria, and Eukaryota.

Example: Lamarck's theory suggested that environmental factors directly influence genetic changes, as illustrated by blind mackerel.

The section concludes with an introduction to ecosystem interactions between living organisms and their environment.

0000 •Homeo Stasis Regulates •.•.•• intertal body conditions e.g. O- Nervous System -Central CNS-brain + Spinal cord peripheral: PNS-Cranial

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 1: Nervous System and Homeostasis

The nervous system coordinates body functions through an intricate network of neurons and regulatory mechanisms. The central nervous system (CNS) consists of the brain and spinal cord, while the peripheral nervous system (PNS) comprises cranial nerves that transmit signals throughout the body.

Definition: Homeostasis is the maintenance of stable internal body conditions through various regulatory mechanisms.

Example: The reflex arc demonstrates how signals bypass the brain, traveling directly from receptor through the spinal cord to an effector.

Vocabulary: Neurotransmitters are chemical messengers that transmit signals between neurons across synapses.

Highlight: The brain exhibits contralateral control, meaning the left hemisphere controls the right side of the body and vice versa.

The endocrine system works through glands producing hormones that regulate bodily functions. The pituitary gland acts as the master gland, controlling other endocrine glands including the thyroid, pancreas, ovaries, and testes.

Similar content

Biology - Learning classification and specification of organisms

Specification and classification (the basic information)

3

214

0

Know Learning classification and specification of organisms thumbnail

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.