Specialized Cells

Question	Answer
What does multicellur cell mean?	organisms that are made of more than one cell.
what are other multicellur?	there are; -human -bird -fish -insect
Why are cells specialized?	they have a special job to do in the body, & they have a structure that make them better to do their job.
How many cells does a human have?	They contain about 50 trillion cells and more than 200 different types of cell.
There are 200 types of cells. list some?	-Muscle cell -Nerve cell -Blood cell -Fat cell
Name 3 types of muscle in our body?	-Voluntary muscle -Involuntary muscle -Cardiac muscle
What is skeleton muscle used for (aka Voluntary muscle)?	These muscle are used for support and movements.
What do involuntary muscle do?	They are muscle that you don't need to think, to do the act. like breathing,keeping food in your guts.
What is Cardiac muscle?	Muscles that make up the heart, and these muscles don't get tired.
What is nerve cell?	Are cells,that make up your brain and send information from your brain to other parts of your body.
What does axon mean?	Some nerve cells have long fibers extending from the cell.
How long is the longest axon in a human body?	It starts from the spine till the toes, and can be more than i meter.
what is the job if a red blood cell and a white blood cell?	RED BLOOD CELL: they carry oxygen from your lung around your body to the cell. WHITE BLOOD CELL:They are part of the immune system & help the body to fight infections.
What type of fat cell do we have in our body?	We have -Brown Fat Cell -White Fat Cell
What do brown fat cell do and white blood cell:	BROWN FAT CELL: produce heat from the body, especially when it is cold and you are shivering. WHITE FAT CELL: used as a store of energy
name 3 specialized cell in a plant cell?	-Conducting cell -guard cell -root hair.
What does guard cell & stomata do?	GUARDS CELL: work in plants to open & close very tiny pores in the leaves. STOMATA: gasses needed by the plants enter through open stomata; and unwanted gas leave the same way.
What does conducting cell mean?	Conducting cells are long tiny tubes like; drinking straws.
What does root hair mean?	Root hair cells mean same of the cells on the outer surface of the root have root hair. It increases the area of the root for water uptake.
what does Photosynthetic cell mean?	Cells that are near the green part of the stem & leave.
What does chlorophyll mean?	It means green chemical in chloroplast that traps the sun energy for photosynthesis.

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	Created by Samira Torabi almost 5 years ago