Bones Flashcards

Facts about Human Skeletal system for kids

1
Q

At birth, how many bones is the human skeleton made up of?

A

300 Bones

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2
Q

By adulthood, some bones fuse together to end up with, how many bones?

A

206 Bones

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3
Q

Human bones grow continually from birth till our ___________?

A

Mid 20s

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4
Q

Our skeleton’s bone mass is at its maximum density around the age of ______?

A

30 years

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5
Q

If broken, do our _bones re-grow and rep_air themselves?

A

Yes

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6
Q

Human skeleton is broadly divided into which two parts?

A
  1. Axial Skeleton
  2. Appendicular Skeleton
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7
Q

How many bones are there in Axial Skeleton?

A

80 Bones

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8
Q

How many bones are there in Appendicular Skeleton?

A

126 Bones

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9
Q

What does the Axial Skeleton include?

A
  1. The Vertebral Column
  2. The Rib Cage
  3. The Skull
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10
Q

What does the Appendicular Skeleton include?

A
  1. Pectoral (Shoulder) girdles
  2. Pelvic girdle
  3. Bones of the upper limbs(Arms)
  4. Bones of the lower limbs (Legs)
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11
Q

What are the 2 main function of the Axial Skeleton?

A
  1. Help us maintain our upright posture
  2. Protect the vital organs like heart, lungs and brain)
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12
Q

What are the main functions of the Appendicular Skeleton?

A
  1. Movement of the body
  2. Protect some organs
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13
Q

How many major functions does Human Skeleton perform?

A

6 Functions

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14
Q

What are the six major functions performed by Human Skeleton?

A
  1. Production of blood cells
  2. Support body
  3. Movement of body
  4. Protection of organs
  5. Storage of ions
  6. Endocrine regulation
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15
Q

Which is the longest bone in the human body?

A

Thigh bone called the Femur

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16
Q

Which is the smallest bone in the Human Body?

A

Stapes ( or stirrup) which is located in the middle ear and is only 2.8mm long

17
Q

Like our skin, the human body’s bones are also constantly worn down and re-made, to the point where every __ years we essentially have a new bone.

A

7 years

18
Q

Which area of our body has most bones?

A

Hand, fingers and Wrist ( 54 bones)

19
Q

Are our teeth part of the skeleton system?

A

Yes

20
Q

Are our teeth counted as bones?

A

No

21
Q

_________ is very important for our bones and helps keep them strong and healthy.

A

Calcium

22
Q

The areas where our bones meet are called __________.

A

Joints

23
Q

The medical branch of learning about the human skeletal system is called _____________.

A

Orthopedics

24
Q

What are the three common Skeletal disorders?

A
  1. Osteoporosis
  2. Scolliosis
  3. Arthritis
25
Q

What bone disease increases the chance of fracture?

A

Osteoporosis

26
Q

What is Scolliosis?

A

Curvature of spine

27
Q

What is the inflammatory disease that damages the joints called?

A

Arthritis