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Gcse biology edexcel topic 2 Cells and control notes
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Gcse biology edexcel topic 2 Cells and control notes
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Paper 1, topic 2 Cells and controlHere is an overview of the main areas covered in Topic 2:
1. Cells:
The cell is the basic unit of life. Students learn about the structure and
function of cells, including the differences between animal and plant cells.
They also learn about the role of organelles such as the nucleus,
mitochondria, and ribosomes, and the importance of the cell membrane in
regulating what enters and exits the cell.
2. Cell Division:
Cell division is the process by which cells reproduce. Students learn about
the different stages of the cell cycle and the importance of mitosis in growth,
repair, and asexual reproduction.
3. Transport in Cells:
Cells need to transport substances in and out to maintain homeostasis.
Students learn about the different methods of transport, including diffusion,
osmosis, and active transport. They also study the role of transport proteins
in moving molecules across the cell membrane.
4. Tissues, Organs, and Systems:
Cells work together to form tissues, which in turn form organs and systems.
Students learn about the different types of tissues and their functions, as
well as the structure and function of key organs such as the heart and lungs.
5. The Nervous System:
The nervous system is responsible for coordinating and controlling the body's
responses to stimuli. Students learn about the structure and function of the
nervous system, including the role of neurons, synapses, and
neurotransmitters.
6. Hormones and the Endocrine System:
Hormones are chemical messengers that regulate many of the body's
processes. Students learn about the endocrine system, which is responsible
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