Flashcards
7.1
Flashcards do conjunto (19)
- 1What does your body produce when its under stress ?Noradrenalin
- 2By how much can noradrenalin speed up the heart rate5x the normal heart rare
- 3How does vigorus affect the heart ratespeeds it up
- 4What are receptors ?cells that detect changes in stimuli
- 5What happens when you stop exercising vigorously?Heart rate decreases (slows down)
- 6What is your body made up of?cells,tissues,muscle,fat and organs
- 7What is mitochondria?The organelles in which cellular respiration occurs
- 8What is the reaction for cell respiration ?Glucose,oxygen,water,energy
- 9what do lysosomes do ?create wastes in your body
- 10What do ribosomes do ?produce proteins in a cell
- 11What is the largest internal organ ?The liver
- 12what does the liver do ?1.breaks down heamophogoblin
2.breaks down hormones
3.breaks down toxic substances - 13What is metabolismchemical process that maintains organisms
- 14What does interdependent mean ?Something that relies on something else to work
- 15What are enzymesProteins in your body that can speed up a reaction
- 16How many Enzymes in the human body ?Over 700
- 17What is a catabolic reaction ?molecule being split into smaller molecules
- 18what is a anabolic reaction?small molecules joining to make a larger molecule
- 19What is diffusion ?movement of particles in a substance