Level Of Organization For Life

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Level Of Organization For Life by Mind Map: Level Of Organization For Life

1. Molecule

1.1. 66% of the mass of the human body is made up of oxygen atoms. Molecules can have different shapes. Some are long spirals while others may be pyramid shaped. A perfect diamond is a single molecule made of carbon atoms.

2. Marcomolecule

2.1. A macromolecule is a molecule with a large number of atoms. The word is usually used only when describing polymers, molecules which are made up of smaller molecules called monomers. All organic monomers are based on carbon, usually with hydrogen, oxygen and nitrogen. There are inorganic macromolecules based on other monomers.

3. Organelles

3.1. The main organelles are nucleus, cell membrane, chloroplast, mitochondria, endoplasmic reticulum, cell wall and golgi apparatus.

4. Cells

4.1. Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions.

5. Tissues

5.1. Human body tissue makes up organs and other body parts. There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function. Muscle is found throughout the body and even includes organs such as the heart.

6. Organs

6.1. Humans have five vital organs that are essential for survival. These are the brain, heart, kidneys, liver and lungs. The human brain is the body's control center, receiving and sending signals to other organs through the nervous system and through secreted hormones.

7. Organsystem

7.1. Some organs are called hollow organs because they have an empty tube or pouch. Examples of hollow organs include the stomach, intestine, and the heart. The eye is an organ that is generally considered part of the nervous system. Other organ systems in the human body include the immune system and the lymphatic system.

8. Organism

8.1. They are called microorganisms. Organisms can be made up of just one cell. They are called unicellular organisms or single celled organisms. Examples include bacteria, and protozoa such as the Amoeba and Paramecium.

9. Atoms

9.1. Atoms contain a dense nucleus surrounded by a cloud of electrons, which contain a negative charge. The interior of the nucleus contains positively charged protons, and almost all atoms' nuclei contain neutrally charged neutrons.