Flashcards
Unit 7.1- Coordinated Body Systems
Flashcards do conjunto (15)
- 1Unit 7.1Coordinated Body Systems
-Zubayr Abdulrahman Rashid - 2What is Metabolism?Metabolism is the chemical processes that maintain life and allows an organism to grow and reproduce.
- 3What is Cellular Respiration?Cellular Respiration is reaction that releases energy from glucose.
- 4What are Enzymes?Enzymes are special proteins that speed up the rate of a reaction.
- 5What is a substrate?A substrate is a particular shape that allows molecules to attach to it.
- 6Why 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.
- 7What is diffusion?Diffusion is the movemnt of particles form an area of high concentration to an area of low concentration.
- 8What happens when oxygen enters the blood?When oxygen enters the blood, it combines with haemoglobin in the red blood cells.
- 9What 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.
- 10What is the heart made up of?Cardiac Muscle
- 11What 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.
- 12What are hormones?Hormones are chemicals that act as messengers in the body.
- 13How does noradrenalin affect the heart?.rate at which the heart beats
.stength of the contractions - 14What is Mitochorndria?Mitochondria are the organelles in which cellular respiration takes place.
- 15What does the liver do?The liver:
-breaks down hormones
-breaks down hemoglobin
-breaks down or modifies toxic substances and medicines
-converts ammonia to urea.