YouTube Video: How the Body Works


1)      What is the cardio vascular system? A) includes lungs b) includes stomach and intestines c) includes heart and blood vessels

2)      How large is the heart? A) size of your fist b) size of your brain c) size of your foot

3)      What does the circulation carry away? A) carbon monoxide  b) carbon dioxide  c) oxygen

4)      How many chambers does the heart have? A) 2  b) 4  c) 6

5)      Which side of your heart receives oxygen rich blood from your heart? A) right  b) left

6)      What is systolic pressure? A) the top measure b) the bottom measure

7)      The digestive system is responsible for converting the food we eat into a) fat  b) energy  c)  sleepiness

8)      The digestive system includes your liver. A) true b) false

9)      How long does food remain in the stomach? A) a half hour b) a couple hours c) 8-10 hours

10)  What does bile do? A) helps release nutrients b) it induces sleep c) it circulates oxygen

11)  Does the body digest all the food we eat? A) Yes  b) no

12)  How long is the small intestine? A) 5 feet b)  10 feet c) 25 feet

13)  The respiratory system is made of organs in your body that help you ____  a) react to stress  b) breathe  c) process nutrients

14)  Is the pancreas part of the respiratory system? A) Yes b) no

15)  What is a diaphragm? A) a muscle  b) an organ c) a nerve center

16)  How many bronchial are in every lung? A) 30,000 b)  20,000 c) 10,000

17)  What is the best way to keep your lungs healthy? A) by lifting weights b) by not smoking  c) by running

18)  The nervous system: what is the control center? A) spinal cord  b) the brain  c) the pancreas

19)  How much does the brain weigh? A) 3 lbs  b) 5 lbs c) 7 lbs

20)  The biggest part of the brain is the a) cerebrum b) c) cerebellum c) Thalamus

21)  The cerebellum is in which part of the brain? A) front  b) back

22)  What makes messages flow between the brain and body? A) spinal cord  b) respiratory system c) the surface of the skin

23)  The urinary system helps you get rid of a) bile  b) fluid waste  c) solid foods

24)  How large are the kidneys? A) size of your fist  b) the size of your thumb  c) the size of your fingernail

25)  What is the bladder? A) storage sack  b)  produces urine c) passes through liver

26)  How many gallons pass through your kidneys every day? A) 33 b) 23  c) 21

27)  The immune system is made of organs and ____  a) bacteria  b) cells  c) fluids

28)  Which cell fights infection? A) white blood cells  b) red blood cells  c) immune cells

29)  Is the bone marrow part of the immune system? A) yes  b) no

30)  The spleen is where? A) heart cavity b) skull c) abdominal cavity

31)  The endocrine system is a collection of glands that produce a) hormones b) oxygen c) bile

32)  What are glands? A) blood vessels  b)  nerve centers c) small organs

33)  Each gland has its own special ____  a) nerve center b) function  c) brain center

34)  Where is the pineal gland? A) in the brain  b)  the neck c) the breast

35)  Which is the most important part of the endocrine system? A) Nervous system b) pituitary gland c) spinal cord

36)  Where is the thyroid gland located? A) brain  b)  chest c) neck

37)   Adrenals are shaped like what? A) triangle b) square c) sphere

38)  The skeleton system consists of how many bones? A) 189  b) 206  c)  270

39)  A baby’s body has how many bones at birth? A) 237  b) 274 c) 247

40)  The sternum is the ___________  a) breast bone  b) upper arm  c) the shoulder

41)  The spine is made of how many bones? A) 31  b) 32  c) 33

42)  How many pairs of ribs are there?  A) 12  b) 10  c) 8

43)  The fibula is in the _______________ leg. A) upper b) lower

44)  How many muscles do we have? A) 400  b) 500  c) 600

45)  How many types of muscles do we have? A) 3 b) 4 c) 5

46)  Which muscles show how strong you are? A)  organ muscles b) skeleton muscles  c) involuntary muscles

47)  Which exercises can increase the size of muscles? A) anaerobic b) acrobatic c) cardio