Page 15 - e book prim 611
P. 15
Delta Modern Language Schools
Science department
Grade 6
1st term 2024- 2025
How are cells organized to build the human body?
❶ Cells to tissues
Muscle Cell
• There are many shapes and sizes of cells, because cells must be
specialized to perform specific function.
➢ They are in the form of long fibers to allow movement.
➢ They must be able to store and use energy quickly.
➢ They do not work alone, because the size of the muscle cell is very small.
➢ They are bundled (collected) together to form tissues
❷ Tissue to organ
➢ Bundles of tissues are organized to form the muscle.
➢ The muscle is considered an organ
➢ Example: The muscle that lies on the front part of upper arm between
the elbow and the shoulder.
15
