12. If you weighed a bottle of water and found the water to weigh 1500 grams, wh

Question

12. If you weighed a bottle of water and found the water to weigh 1500 grams, what would the volume of that water be? ____________ 13. If the speed limit is 55 mph, what is it in kilometers per hour? ________kmph 14. How many milliliters in a 12 ounce can of pop? __________ml 15. Humans are made up of mostly water (about 70%), so assuming you are 100% water and using the values from question # 9, estimate the total volume of your body in liters and milliliters. ________________ml ______________l16. If a person produced 10 mg of a particular hormone per day, how many days would it take for that person to produce 1 gram of the hormone? ________ 17. If your blood volume is 5 liters, and each beat of your heart pushes out 70 ml of blood and your heart rate of 70 beats per minute, how long does it take for all of your blood to move through your heart? ______________ 18. If each beat of your heart pushes out 50 ml of blood and your heart rate of 65 beats per minute, how long does it take for 10 liters of your blood to move through your heart? __________________ 19. If you take in 450 ml of air with each breath and your breathing rate is 11 breaths per minute, how much air do you breath in each in one hour? ________. 20. If a nerve impulse travels at 1 meters/sec, how long does it take for that impulse to travel: 1 meter? _____________ 0.5 meters? ___________ 0.1 meter? __________ 1 cm __________ 1 mm __________ 21. If blood volume is 5 liters Comment

Explanation / Answer

Slutions:

(12) As 1000 gram is 1 litre so 1500 gm = 1.5 litres

(13) As 1 mile per hour = 1.60934 km per hour so 55 mile per hour equals 55 * 1.60934 = 88.5139 km per hour.

(14) As 1 ounce = 29.5735 ml so 12 ounce = 12 * 29.5735 = 354.882 ml.

(15) values of ques 9 is not given so not possible to calculate.

(16) man produce 10 mg of harmone in 1 day

he produces 1 mg in (1/10) day (as 1 gram = 1000 mg)

1000 mg in (1/10)*1000 = 100 day so

1 gram in 100 days answer

(17) 1 beat pumps 70 ml

so 70 beats pumps 70* 70 = 4900 ml = 4.9 litre

remaining is 0.1 litre = 100 ml

as 70 ml pumps in 1 beat so 100 ml in 1.4 beat also

70 beats in 60 sec so 1.4 beats in 1.2 second

So total time to pump all (5 litres) blood is 1 minute 1 sec approx.

(18) is the similar as above

(19) 1 minute = 11 breaths

60 minute = 660 breaths also

1 breaths = 450 ml of air

So 660 breaths = 660 * 450 = 297000 ml = 279 litres of air in 1 hour

(20) speed of nerve = 1 meter/sec so directly it travels 1 meter in 1 second

.5 meter in .5 second ,

.1 meter in .1 sec

1 cm in .01 sec

1 mm in .001 sec

(21) In an average healthy adult, the volume of blood is about one-eleventh of the body weight.

So if blood volume is 5 litres means weight is apprioximately 11 * 5 = 55kg

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