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Science CBSE Homework Assignments
Class 9
The fundamental unit of life
Cell size, shape and number
3.
Cell shape
Question:
4.5
m.
Identify the respective function related to the type of cell:
Types
Functions
1
.
Muscle cell
Muscle cell plays a vital role in cell division
Muscle cells to increase the surface area.
Muscle cells are elongated for contraction.
Transports carbon dioxide to the body parts.
2
.
Red blood cell
RBC's pass through narrow tubules and involve the process called transduction.
RBC's pass through narrow capillaries and transport oxygen.
RBC's pass through narrow arteries and veins and transport carbon dioxide.
RBC's protect our body from foreign antigenic particles.
3
.
Nerve cell
Nerve cell is to helps to secrete bile juice.
Nerve cell is to coordinate and control the different parts of the body.
Nerve cell is the smallest cell.
Nerve cell always change their shape
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