problem 1: What do you mean by the term scientific approach to a problem?

problem 2: Starchy foods are a great source of nutrition. Describe this statement.

problem 3: Water is a main reason which Earth is inhabitable. Describe four of water’s life supporting properties giving illustrations in each case.

problem 4: Finally, trace the path of the water from the mouth to the urethra, listing the path in as much detail as probable.

problem 5: Trace the impulse, listing all the steps in as much detail as possible, from which your brain sends the message to the suitable muscles to lift a glass of water to drink. Detail the steps included in the transmission of the neural impulse to the muscle fiber and then the steps included in the sliding filament method. Then, specify which muscles are pulling on which bones and what kind of joints are included.

problem 6: Fill 3 medium-sized bowls with:

a) Very hot (however not painfully so) tap water,

b) Very cold tap water,

c) A mixture of very hot and very cold water. Arrange them, so your right hand is in front of cold water, your left hand is in front of the hot water and the lukewarm water is in middle. Submerse your hands into the water (right into cold and left into hot) for around 3-minutes. After 3-minutes, quickly transfer both the hands to the lukewarm (middle) bowl. What did you sense?