organisation Flashcards
What is organ system ?
A group of organs working together to achieve a specific function
What is tissues ?
A group of cells working together to perform a shared function
What is the basic building block of all living organisms ?
Cell
What is a organelle ?
A specialised unit within a cell which performs a specific function
What are 3 enzymes called ?
Lipase , Protease and Amylase
what is molecular movement ?
The movement of molecules resulting from their kinetic energy.
What is plasma ?
A straw - coloured liquid that makes up just over half the volume of blood.
What are the name of cells with no nucleus ?
Platelets
What type of cells are phagocytes, pathogens and lymphocytes ?
White blood cells
What is the role of red blood-cells ?
They transport oxygen around the body through the blood vessels
What color liquid is plasma ?
Yellow
how many types of blood vessels are there in the body ?
Three - arteries, veins and capillaries
what kind of circulation do humans have ?
Double Circulation
what two type of enzymes breaks down starch ?
Amylase and Carbohydrates
What reagent is used for starch ?
Iodine Solution
What color does protein turn if present ?
Purple or Pink
What is the name of the test of benedict’s solution ?
Glucose
Do you know the another name for fats ?
Lipids
What do digestive enzymes do ?
They breakdown larger food molecules into smaller molecules to be absorbed into the bloodstream
What is the name of the disease that can be passed from one to another ?
Communicable disease
what are toxic substances called as a risk factor of lifestyle or diseases ?
Carcinogens
What is the name of the addictive chemical found in cigarettes ?
Nicotine
What are 2 risks of long period drinking of alcohol ?
Brain Damage and Liver Cirrhosis
What are 2 risks of short term drinking of alcohol ?
Blurred vision and Lowered Inhibitions
