Plants & Animal cells part 2
Storyboard Text
- To be honest an animal cell has the same organelles and the same organelle functions of a plant cell, the only difference is that an animal cell doesn't have a cell wall or chloroplasts and an animal cell is for animals whereas a plant cell is for plants
- Ribosomes
- Mitochondria
- Cell membrane
- Cytoplasm
- Nucleus
- Now let's talk about the Animal cell....
- You're somewhat right, but the cells are just the beginning. You see a group of cells work together to make up tissue, a group of tissues work together to make up organs , a group of organs work together to make an organ system and a group of organ systems work together to create an organism, like us. We are not made up of only simple cells, there are specialized cells as well.
- Specialized cells
- Oooohh, I get it so plants and animals are made up of a bunch of cells
- The function of a Red blood cell is to carry oxygen around the body, it has a biconcave shape to easily move inside capillaries/blood vessels, it doesn't have a nucleus so that it has more space for oxygen and it has a hemoglobin, a red pigment that attaches itself to oxygen. The Ciliated epithelial cell is mainly found in the trachea and the bronchus, it's function is to move or sweep away mucus created by the goblet cell to which traps dust and other micro-organisms, they both are together, the ciliated epithelial cell has cilia which wave to push the mucus away. The nerve cell transmits electrical impulses and it's cytoplasm is extended so that it can form dendron and axon, it also has a myelin sheath and node of ranvier
- Specialized cells
- You see all the cells on the board, the one on the top left is called a Red blood cell, the one next to it is called a Ciliated epithelial cell, the next is a nerve cell, the one on top of the labelling 'Specialized cells' is called a muscle cell and the cell that looks like a T is called a root hair cell
- The function of a muscle cell is to contract and relax to allow movements in the body. The muscle cell has a lot of mitochondria and fiber. There are 3 types of muscles- smooth muscle, cardiac muscle and skeletal muscle. Smooth muscles are located in the stomach and other digestive organs, it's function is to contract to push the food down. Cardiac muscles are located in the heart, it works to keep your heart pumping through involuntary movements. It does this through specialized cells called pacemaker cells. These control the contractions of your heart. Skeletal muscles are located throughout the body, they enable humans to move and perform daily activities. They play an essential role in respiratory mechanics and help in maintaining posture and balance. They also protect the vital organs in the body.
- Specialized cells
- The root hair cell is a specialized plant cell, it's function is to allow plants to absorb water and let's it absorb the minerals it needs to stay alive
- Specialized cells
- Those were the specialized ANIMAL cells, now we have one plant specialized cell
- Plant cell
- Animal cell
- And that my friend is everything you need to know about cells..
- Wow! Who'd have know there were so much to know about cells..
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