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Lecture notes

Cells and tissue study notes

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A document containing study notes for Cells and Tissues

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  • May 4, 2024
  • 18
  • 2023/2024
  • Lecture notes
  • -
  • Cells and tissues
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Cells & Tissues
Written up

Reviewed & studied

Studied



Aims & objectives
Cell diagram & structures

cell membrane

cytosil

nucleus

Location & functions of cell structures
Osmosis & Diffusion
Meiosis & Mitosis
Types of cells
Types of tissues
Body systems




Cells & Tissues 1

, A typical human cell




Cells
a human body has over 100 trillion different types of cells

Independent functional unit of a living animal, each cell has life in it and has
separate functions.

Cell membrane (the outer covering), cytoplasm (the liquid inside) & Nucleus
(the middle)

the nucleus has chromosomes, genes & deoxyribonucleic acids (DNA)

The body function through cells → tissues → organs → body



Examples of different type of cells
Blood cells ( ex leucocytes & erythrocytes) are a type of connective tissue

Bone (osteoblasts & osteoclasts)




Cells & Tissues 2

, Muscle (myocytes or myoblasts)

Connective tissue (fibroblasts)

Renal (nephron)

Nervous (neurone)

Epithelial Cells are the cells that line all the organs in the body

Liver Cells (Hepatocytes)

Spermatocytes/Oocytes (Spermatozoon is a single sperm cell)




The cell
Cell Membrane

Cytoplasm has several organelles → mitochondria, ribosomes, &
lysosomes.

Nucleus




Nucleus as the control centre for the cell




Cells & Tissues 3

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