12100672
Description
Flashcards by Asiya Mohamed Farah , updated more than 1 year ago
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Created by Asiya Mohamed Farah
almost 7 years ago
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| Question | Answer |
| A large number of chemical reactions take place within an organism cell, collectively what are they called? | A Metabolism |
| The chemical reaction of a metabolism is divided into two groups, what are they? | The first one is a reaction that breaks down organic matter The second one is, a reaction that builds a complex molecule from simpler substances |
| Example of a reaction that breaks down organic matter | Cellular respiration,which breaks down glucose molecules to release energy and break down waste into harmless substances for excretion |
| Example of a reaction that builds complex molecules from simpler substances | An example,construction of a new cell and cell components such as proteins and genetic materials |
| What helps along the reactions in your body? | Enzymes |
| What are enzymes | Special proteins that speed up a reaction without being used in the process |
| How many Enzymes are in the human body | Over 700 |
| Definition of Catabolic | A process involving the chemical reaction that breaks down complex molecules into smaller one. |
| Meaning of Anabolic | A process involving chemical reaction that produces complex molecules from simpler substances |
| What are Lipids broken down into | Fatty acids and glycerol |
| What's Diffusion | Diffusion is the movement of particles in an area of high concentration to an area of low concentration. |
| How do we get oxygen | The air enters your respiratory system through your mouth or nose, it passes down your trachea, bronchi and bronchioles and ends up in your alveoli and enters your blood stream. |
| What are hormones | Hormones are chemicals that act as a messenger to the body |
| What are receptors | Receports are specialised cells that detect stimuli changes |
| Meaning Mitochondria | Mitochondria are oraganelle in which cellular respiration takes place |
| What is the name of the chemicals that produe protein that occur on the surface of the stracture | Ribosome |
| What are the functions of the liver? | -Break down haemoglobin -Breaks down hormones -breaks down or modifies toxic substances and most medicines |
| The systems of your body are? | Interpendants |
| What's the heart made up of? | A cardiac muscle |
| What does the circulation system do? | Your circulation system carries materials to and from every cell in your body via a series of blood vessels called arteries,capillaries and veins. |
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