Biological And Cultural Bases of Human Behaviour — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Psychology
Summary of Biological And Cultural Bases of Human Behaviour for Telangana Open School (TOSS) Class 12 Psychology.
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Overview
Human behaviour is shaped by a complex interplay of biological and cultural factors. This chapter explores how evolution, the nervous system, endocrine system, genetics, and culture influence the way we think, feel, and act. From the structure of neurons to the impact of socialization, it provides a
Key Concepts
Humans evolved from earlier species through
Humans evolved from earlier species through natural selection. Key adaptations like bipedalism, larger brains, and opposable thumbs allowed for comple
Neurons are the basic units
Neurons are the basic units of the nervous system. Each neuron has a cell body, dendrites that receive signals, and an axon that sends signals. Inform
The nervous system is divided into
The nervous system is divided into the Central Nervous System (CNS) — brain and spinal cord — and the Peripheral Nervous System (PNS), which connects
The brain has three main parts
The brain has three main parts: hindbrain, midbrain, and forebrain. The hindbrain controls basic life functions like breathing and balance. The midbra
The endocrine system consists of glands
The endocrine system consists of glands that release hormones directly into the blood. These hormones regulate growth, metabolism, emotions, and sexua
Learning Objectives
- Understand the evolutionary nature of human behaviour
- Describe the structure and functions of cells and neurons
- Explain the structure and functions of the nervous system
- Identify brain areas and their role in controlling behaviour
- Relate the functions of the nervous and endocrine systems to behaviour
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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