5 survival needs of human

Question 1

chemical substances required by the body to sustain basic functions

Answer 1

nutrients

Question 2

major energy-providing fuel for body cells

will perform metabolic process which the ________ turn into glucose

Answer 2

carbohydrates

Question 3

essential for building cell structures

muscle growth and repair

Answer 3

protein

Question 4

a cushion for body organs and provide reserved fuel (turns into sugar and serves as energy pag walang nakain)

Answer 4

fats

Question 5

required for the chemical reactions that go on in cells and for oxygen transport in the blood

Answer 5

minerals and vitamins

Question 6

why does the nutrients in our body useless if there’s no oxygen?

Answer 6

because the chemical reactions that releases nutrients from food requires oxygen.

human cells can survive only a few minutes without it.

Question 7

it is made available to the blood and body cells by the cooperative efforts of the respiratory and cardiovascular system.

Answer 7

oxygen

Question 8

60-80% of our body weights

helps in energy transport

single most abundant chemical substance in the body and provides the liquid base for body secretions and excretion. we obtain _______ from ingestion of food etc.

Answer 8

water

Question 9

metabolic reactions become slower and slower and finally stop if this drops.

if too high chemical reactions proceeds too rapidly (dangerous)

most body heat is generated by the activity of the ___________________ and dissipated via blood circulating close to the skin surface by the evaporation of sweat.

Answer 9

normal body temperature
skeletal muscles

Question 10

the air presses against everything if touches

if there is high amount of pressure, our body could crash.

if low our low organs could expand and be crushed as well.

Answer 10

atmospheric pressure

Question 11

The mere presence of these survival factors is not sufficient to maintain life. The must be present in appropriate amounts as well

Answer 11

ril