2nd periodical

Question 1

body support and protection of internal organ

Answer 1

skeletal system

Question 2

how many bones do adult have

Answer 2

206

Question 3

how many bones do baby’s have

Answer 3

305

Question 4

2 division of bones

Answer 4

axial and appendicular skeleton

Question 5

it protects the delicate organ in body

Answer 5

axial/brain

Question 6

provides body support and aid the body movement

Answer 6

appendicular

Question 7

three kinds of muscle

Answer 7

skeletal
smooth
cardiac

Question 8

muscle that are not connected to the bones and are responsible for movement

Answer 8

skeletal muscle

Question 9

muscle move when thay are controlled

Answer 9

voluntary

Question 10

how many muscle which is responsible for any movement

Answer 10

640

Question 11

involuntary muscle that work automatically it can found in wall of blood vessels

Answer 11

smooth muscle

Question 12

only present in heart generate force to jump blood

Answer 12

cardiac

Question 13

largest organ in the body

Answer 13

skin

Question 14

outermost layer of skin

Answer 14

epidermis

Question 15

it is a pigment that determines the color of the skin

Answer 15

melanin

Question 16

this layer contain the sweat gland ,oil gland hair follicles and blood vessel

Answer 16

dermis

Question 17

layer of fat serve as insulator of heat

Answer 17

subcutaneos layer

Question 18

made up of keratin

Answer 18

hair

Question 19

formed grow from the root of the epidermis grow at average of 3mm

Answer 19

nail

Question 20

help in excretion of waste by releasing excess water

Answer 20

sweat glands

Question 21

secrete oily subtance called sebum

Answer 21

oil gland