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What is the function of organ systems?
How are organs related to function?
What do cells do in the body?
Key points. Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
Cells contain parts called organelles. Each organelle carries out a specific function in the cell. A cell’s organelles work alone and together to keep the whole cell functioning. Mitochondria are organelles that break down sugars. This process releases energy that the cell can use. The nucleus is an organelle that contains a cell’s genes.
- has there ever been anything that had both animal and plant cells?From what i searched i didn't see any organism that does but there is something called Euglena and it is found in brackish water habitats.
- Hey quick question, Do humans need mitochondria to survive or will they be okay without them?Yes, humans (and all organisms with mitochondria) need them to survive. They break down sugars, giving our cells the energy they need to function.
- What are the differences between an animal cell and a plant cell? I know the differences between the...Actually, you are partially wrong. Plant cells do indeed have chloroplasts while animal cells do not, but both types of cells have mitochondria. An...
- When we cook vegetables sometimes they become floppy or mushy, does that mean that the cell wall is ...Great question, from logic and what I looked up, yes! It is breaking the cell walls. It makes it easier to eat and digest.
- i dont have a phone :(me neither:(
- How does the mitochondria and the chloroplast work togetherThe chloroplast creates food for plants (sugars), and the mitochondria breaks them down for energy.
- I have 2 questions! 1: When we cook vegetables sometimes they become floppy or mushy, does that mean...It's probably being melted because of the heat for question 1
- whats is the difference between white blood cells and red blood cellsRed blood cells carry O2 and waste, white blood cells are your second line of defense against pathogens.
- Why don't animal cells have a cell wall?As human skin needs water and food to keep the cells in shape, the plant cells need sunlight to make their energy and sugar. Human cells do not mak...
- In which organelle does photosynthesis occur?The Chloroplast.
Dec 19, 2023 · Types. Summary. A cell is the smallest living organism and the basic unit of life on earth. Together, trillions of cells make up the human body. Cells have three parts: the membrane, the...
Feb 9, 2023 · Organs can do more than one function and each function can be pretty complicated. The eyes sense color, movement, and light. They move and focus. The biggest organ in (or on) the human body is the skin. It's a great example of layers of tissue working together to do several functions:
Jul 30, 2022 · Explain the structure and function of cell membranes. Identify key organelles present only in plant cells, including chloroplasts and vacuoles. Identify key organelles present only in animal cells, including centrosomes and lysosomes.
Cells perform a huge number of different roles within your body. For example, epithelial cells protect the outside surface of the body as part of the skin and cover the organs and body cavities within. Bone cells build up bones to provide support for the body. Cells of the immune system fight invading bacteria.
These elements exist in the form of molecules and organelles — picture them as the tools, appliances, and inner rooms of the cell. Major classes of intracellular organic molecules include nucleic...
