Chapter 1 Flashcards
What is osmosis?
Osmosis; when high concentration of water goes to a more lower concentration of water. Requires no water!
Key fact - a partially permeable
What is diffusion?
Manly happens with concentration (high to low - low to high) mostly happens through the atoms
A substance part of the respiration system?
Glucose - goes from the blood to the cells lining the stomach so that respiration can take place
What’s best for diffusion to increase into or out of the cell?
A large surface area or a folded membrane
Enzyme produced by the salivary glands?
Amylase - released in the pancreas and salivary glands to breakdown carbohydrates into simple sugars
What is the mitochondria?
A substance which aerobic respiration takes place
What is the function of the ribosomes?
To make protein
Give a reason why ribosomes can not be seen through a light microscope?
Because they are too small
What does the nucleus contain?
Chromosomes and DNA
Give two answers of what disease can link to obesity.
High blood pressure
And
Diabetes
Give one health problem that may be affected by the genes someone inherits
Having a high cholesterol
What system is the white blood cells apart of?
The immune system
When your ill, what does the white blood cells produce to kill microorganisms?
They produce antibodies
Why where there no antibodies to treat Ebola? (EVD)
Because antibiotics do not kill viruses
Give a definition to ‘Dose’
Concentration of (a) drug to be used or how often the drug should be given