Show:
the pH scale and indicators
cell organelles
cardiovascular system
human digestive system
cells
100
what are acids and bases they are... a)tipically are clear colourless solutions b)come in different strengths c)corrosive d)both a. b. and c.
d) both a. b. and c.
100
what is the name for this funtion... ceperates the inside of the celll from the exturnal enviroment a)chromatin b)cell membrane c)mitochondria
b) cell membrane
100
what is the number of different cells of the cardiovascular system a)3 b)6 c)9
3
100
what are 2 types of nutrients and explain what they are
micronutrients-vitamins, minerals, and water. macronutrients-proteins, lipids, carbonydrates, ect...
100
what is the number of organisms are in these... -human -cow -chicken -fruit fly
-human...46 -cow...60 -chicken...78 -fruit fly...8
200
what are the 3 methods included for determining the pH of a pH solution
-pH meter -Litmus paper -universal indicator and pH paprer
200
what is the function for golgi bodies
sorts and packages proteins and other moecules for transport out the cell
200
2hat is the jobs of the arteries
carry blood away fromt the heart
200
what are the accessory organs
-pancreas -gall bladder -spleen
200
what is the scientific work for DNA
Deoxyribonucleic acid
300
what is a pH indicator
a chemical that is added in small amounts to a solution to vusually show the acidity or basicity of a solution by changing colour
300
what is the visual way of telling a plant and an animal cell division
mitrochandria-for the amimal cell, you cant see it but for the plant cell, you can see it very well
300
what is the job of the veins(venules)
carry blood towards that heart
300
what is the stomach used for
food is stored in the stomach and then are finally mechanically and chamically broken down
300
what is DNA for
DNA contains many things like the features (ie. hair, and eye colour, if you can digest certain foods ect.)
400
what is an universal indicator
a mixture of several indicators that produce a different colour at different pH values
400
what is 3 reasons for cell devision
-healing and tussue repair -growth -reproduction of organisms
400
what is the number of chambers the heart has a)4 b)2 c)8
a)4
400
what is a pancreas
an organ which secretes both digestive enzymes and hormones
400
what is cancer
cancer is when a bunch of cells clump together becaues one cell was once told to multiply but dont stop when told