your nose never stop growing and other cool body facts

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your nose never stop growing and other cool body facts by Mind Map: your nose never stop growing and other cool body facts

1. park 1

1.1. bones

1.1.1. human bones was light. There are 14 percent human weight

1.1.2. the strongest bone is femur, this is long bone and thigh. This is strong as concrete

1.1.3. teeth and enamel is a long of root

1.1.3.1. you can see it when x-ray

1.1.4. you have 15 bones in face and 26 bone in feet

1.1.5. two features is not bone

1.2. size

1.2.1. Man average size is 12

1.2.2. woman average size is 8.5 or 9

2. park 2

2.1. muscle

2.1.1. human have more than 600 muscles

2.1.2. we need 200 muscles to step need 72 muscles to speak 1 word

2.1.3. the smallest and longest muscle

2.1.3.1. smallest is inside ear

2.1.3.2. longest is run from hip to the knee

2.1.4. human use arm , leg, and core muscle to walk

3. out side

3.1. skin

3.1.1. skin is the largest organ and it protect the body. Skin is thinnest on the eyelid thickest in the heel and human shed 30 000 or 40 000 per a minute

3.2. nails

3.2.1. help people pick something

3.2.2. they help scratch

3.2.3. 6 month to finger nails

3.2.4. they grow 2 to 3 time

3.2.5. the child nail is grow fastest

3.3. hair

3.3.1. adults have 5 million hair

4. inside

4.1. stomach

4.1.1. it can hold 0.5 to 1 gallon (2 to 4 L ) of food acid

4.1.2. it can stretch

4.1.3. empty stomach make growling noise

4.2. brain

4.2.1. it control body

4.2.2. it weight is 1,6 kg

4.2.3. 73 percent brain is water

4.2.4. it sleep but it never stop activity

4.3. lung

4.3.1. lung help body breath

4.3.2. they are filled with body million air sacs

4.3.3. there sacs cover 5 parking spaces if spread out

4.3.4. human breath about 13 prints ( 6 L) of air per minute

4.3.5. women and children breath faster than men