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Description
Flashcards by Zubayr Rashid, updated more than 1 year ago
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Created by Zubayr Rashid
almost 7 years ago
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| Question | Answer |
| Unit 7.1 | Coordinated Body Systems -Zubayr Abdulrahman Rashid |
| What is Metabolism? | Metabolism is the chemical processes that maintain life and allows an organism to grow and reproduce. |
| What is Cellular Respiration? | Cellular Respiration is reaction that releases energy from glucose. |
| What are Enzymes? |
Enzymes are special proteins that speed up the rate of a reaction.
Image:
Enzyem (binary/octet-stream)
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| What is a substrate? | A substrate is a particular shape that allows molecules to attach to it. |
| Why do complex molecules such as Proteins need to be broken down into simpler substances such as amino acids? | Once broken down into simpler substances, they're small enough to pass through thin walls of the villi lining the small intestine. |
| What is diffusion? | Diffusion is the movemnt of particles form an area of high concentration to an area of low concentration. |
| What happens when oxygen enters the blood? | When oxygen enters the blood, it combines with haemoglobin in the red blood cells. |
| What does your ciculatory system do? | Your circulatory system carries material to and forms every cell of your body via a series of blood vessels called arteries, capillaries and veins. |
| What is the heart made up of? | Cardiac Muscle |
| What is a defibrillator? | A defibrillator is used to deliver electric currents to the heat, in an attempt to restore the heart's natural rhythm and save a persons life. |
| What are hormones? | Hormones are chemicals that act as messengers in the body. |
| How does noradrenalin affect the heart? | .rate at which the heart beats .stength of the contractions |
| What is Mitochorndria? | Mitochondria are the organelles in which cellular respiration takes place. |
| What does the liver do? | The liver: -breaks down hormones -breaks down hemoglobin -breaks down or modifies toxic substances and medicines -converts ammonia to urea. |
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