Plant and Animal Cells Grade 4 Unit 3

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Plant and Animal Cells Grade 4 Unit 3 Lesson 1

Plant and Animal Cells Grade 4 Unit 3 Lesson 1

Topics Covered… • cell definition • parts of plant and animal cells • comparison

Topics Covered… • cell definition • parts of plant and animal cells • comparison of plant and animal cells • different types of animal cells

What is a cell? definition: a small compartment that holds all of the biological

What is a cell? definition: a small compartment that holds all of the biological equipment necessary to keep an organism alive

About cells… Their main purpose is to organize. They make up all living things.

About cells… Their main purpose is to organize. They make up all living things. Cells are alive!

Animal Cell What is it? • a form of eukaryotic cell • makes up

Animal Cell What is it? • a form of eukaryotic cell • makes up many tissues in animals • many types (cheek, nerve, muscle, skin)

Plant Cell What is it? • a structural and functional unit of a plant

Plant Cell What is it? • a structural and functional unit of a plant • different plant cells have different roles • many types (parenchyma, collenchyma, sclerenchyma)

Animal Cell nucleus What are the parts? vacuole Golgi apparatus cell membrane mitochondrion ribosomes

Animal Cell nucleus What are the parts? vacuole Golgi apparatus cell membrane mitochondrion ribosomes cytoplasm flagella rough endoplasmic reticulum smooth endoplasmic reticulum

Plant Cell What are the parts? chloroplast vacuole cell wall cytoplasm smooth endoplasmic reticulum

Plant Cell What are the parts? chloroplast vacuole cell wall cytoplasm smooth endoplasmic reticulum ribosomes mitochondrion Golgi apparatus rough endoplasmic reticulum nucleus

Animal Cell vs. Plant Cell What’s the difference? small or no vacuole chloroplasts large

Animal Cell vs. Plant Cell What’s the difference? small or no vacuole chloroplasts large vacuole flagella rectangluar shape cell wall

Compare and Contrast Both Plant cell wall mitochondrion Animal no cell wall Golgi apparatus

Compare and Contrast Both Plant cell wall mitochondrion Animal no cell wall Golgi apparatus large vacuole chloroplasts rough and smooth endoplasmic reticulum small or no vacuole no chloroplasts nucleus flagella only in gametes cytoplasm ribosomes flagella

Animal Cells Each type of animal cell is specialized to do different jobs. •

Animal Cells Each type of animal cell is specialized to do different jobs. • Nerve cells electrochemically send information between sensory receptors and the central nervous system. dendrites axon

Animal Cells Each type of animal cell is specialized to do different jobs. •

Animal Cells Each type of animal cell is specialized to do different jobs. • Blood cells carry oxygen to the body’s tissues and collect carbon dioxide. They also carry hormones, enzymes, and vitamins to different parts of the body. red blood cell white blood cell

Animal Cells Each type of animal cell is specialized to do different jobs. •

Animal Cells Each type of animal cell is specialized to do different jobs. • Muscle cells comprise three different types of muscles: skeletal, cardiac, and smooth types. These cells are shaped differently and enable these muscles to help our bodies function properly.

Animal Cells Each type of animal cell is specialized to do different jobs. •

Animal Cells Each type of animal cell is specialized to do different jobs. • Skin cells make up the tissue that covers our bodies. These cells are good at providing a barrier to the external environment and at preventing water loss.

Animal Cells Each type of animal cell is specialized to do different jobs. lung

Animal Cells Each type of animal cell is specialized to do different jobs. lung cells brain cells bone cells There are many other types of animal cells!

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The End