bones and the skeleton

Question 1

system that includes all the limbs and the boney girdles that support them in the body trunk. enables the body to move and protects organs

Answer 1

the appendicular system

Question 2

the system that includes the skull, spinal column, ribs and the sternum (the trunk of the body)

Answer 2

the axial system

Question 3

what are the 5 functions of the skeleton

Answer 3

support, movement, protection, mineral storage, blood production

Question 4

what are two differences between mammalian and avian bones

Answer 4

1. birds have hollow bone with air pockets and mammals have solid bones
2. avians have a lower volume of bone marrow than mammals

Question 5

describe long bones

Answer 5

longer than wide. act as levers and aid in locomotion and support

Question 6

describe short bones

Answer 6

they have equal dimensions. they absorb impact

Question 7

describe sesamoid bones

Answer 7

usually short irregular bones embedded into the tendon. they reduce friction

Question 8

describe flat bones

Answer 8

strong, flat plates of bone. they protect organs and muscles attach to them

Question 9

describe irregular bones

Answer 9

odd shaped bones. they protect organs are for protection, support and anchor points