Ciclo de la Reproducción Humana y Desarrollo Sexual
La Reproducción Humana
Las personas nos reproducimos sexualmente: las hembras producen gametos femeninos llamados óvulos y los machos producen gametos masculinos llamados espermatozoides. Estas dos células se unen para formar el cigoto.
La fecundación es interna, es decir, el óvulo y el espermatozoide se unen en el tracto reproductivo interno femenino. El desarrollo del nuevo ser ocurre dentro del aparato reproductor femenino; somos vivíparos.
Procesos Clave de la Reproducción Humana
La reproducción
Read MoreFundamental Physics and Science Concepts Explained
Principles of Electricity and Magnetism
Fleming’s Left-Hand Rule
This rule determines the direction of the force on a current-carrying conductor within a magnetic field.
- If the index finger points in the direction of the magnetic field,
- and the middle finger points in the direction of the current,
- then the thumb indicates the direction of the force on the conductor.
Fleming’s Right-Hand Rule
Used to identify the direction of induced current when a conductor moves in a magnetic field.
- The thumb indicates
15th Century Literature: Key Developments & Impact
15th Century Literature: Key Developments
Economic and Social Landscape
Politically, there was a tendency towards the concentration of royal power across nearly all of Western Europe. The expansion of communication routes, improved means of transport, and a booming trade fostered the emergence of business activities that transcended the barriers of guilds and cities. This opened new avenues, even for the Church and aristocracy. A crisis emerged in social relations among the estates. The development
Read MoreEssential Digital Communication Concepts
OTT (Over-the-Top) Platforms
Platforms deliver audiovisual content via the internet, bypassing traditional distributors like cable or satellite.
Examples: Netflix, HBO Max, Disney+, Prime Video.
- Allow on-demand access.
- Challenge traditional broadcasting.
Public Opinion
Collective social views and attitudes toward a topic or issue, shaped by:
- Media coverage
- Social environments
- Political speeches
- Opinion leaders (influencers, journalists, etc.)
Crucial in influencing policy and societal norms.
Net Neutrality
The
Read MoreEssential Materials: Production Processes and Applications
Paper Production & Applications
Pulp Procurement Process
- Production of pulp (mechanical, semi-chemical, or chemical)
- Refining: Shredding and mixing
- Manufacture: Screening, pressing, drying, and glossing
Paper Applications
- New Paper: Writing, newspapers, magazine wrappers, drawing, legal tender notes, photography
- Recycled Paper: Similar applications to new paper (writing, newspapers, magazines, envelopes, drawing)
Paper for Images
Properties for image paper are variable, depending on weight and the additive
Read MoreHuman Diet Evolution: From Ancient Ancestors to Modern Health Challenges
The Evolution of Human Diet: From Ancient Ancestors to Modern Health
Early Human Diet and Evolution
- “In the history of humanity, diet has been the strongest evolutionary factor.”
- Initially, the human diet was based solely on fruit. Over time, humans began adding other plant foods such as roots and nuts, which promoted changes in human development, including the evolution of teeth and mastication mechanics.
- Humans also developed cultural strategies, such as using stones to crack nuts and producing sharp
Early American Studies: History, Literature, and Cultural Foundations
Native American Cultures and Languages
Creation Narratives
Which Native American creation narratives appear in our text?
- The Iroquois of the Northeast
- The Pimas of the Southwest
Native American Languages
What was the approximate number of Native American languages in existence at the time of the voyages to the New World?
- 1800
Religious Beliefs
What term describes the kind of religious belief held by most Native Americans?
Christopher Columbus: Voyages and Legacy
Naming the Islands
What name did Columbus give
Essential Accounting Concepts and Modern Applications
Corporate Social Responsibility (CSR) Accounting
Corporate Social Responsibility (CSR) accounting refers to the process of identifying, measuring, and reporting the costs and benefits of a company’s CSR initiatives. This includes expenditures on environmental sustainability, community welfare, employee welfare, and ethical business practices. Companies disclose their CSR activities in annual reports to ensure transparency and accountability. In India, under Section 135 of the Companies Act, 2013,
Read MoreLatin American History: Civilizations, Conquest, and Independence
Ancient Civilizations of Latin America
Olmec Civilization: Pioneers of Mesoamerica
The Olmecs are considered the first major civilization in Mesoamerica. They were known for their colossal head sculptures, intricate glyphs, and codices. Their creation story, the Popol Vuh, influenced later cultures.
The Mayan Civilization: Innovation and Ritual
The Mayans developed advanced technology and established powerful city-states, particularly in the Yucatán Peninsula. Their cities featured elaborate ball courts
Read MoreLiberalism and Nationalism: The Age of Revolutions
The Era of Revolutions
The Eighteenth Century witnessed several political developments that transformed Europe and America, marking the beginning of the modern world.
- The birth of the United States, stemming from the American Revolution, was deeply influenced by the ideas of the Enlightenment.
- France led the Great Revolution (1789), which ended the Ancien Régime. Napoleon Bonaparte subsequently subdued most of Europe with his armies, simultaneously spreading revolutionary ideas.
- The Congress of Vienna