Systems of the Body - Skeletal System

Question 1

What are the 5 functions of the skeletal system?

Answer 1

Provides shape/structure, enables movement, protects organs, produces blood cells, stores minerals

Question 2

What attaches bone to bone?

Answer 2

ligaments

Question 3

What attaches muscle to bone?

Answer 3

tendons

Question 4

How do muscles and bone work together?

Answer 4

Muscles pull on bone to create movement; muscles=mobility, skeleton=structure

Question 5

What are the two main divisions of the skeletal system?

Answer 5

axial and appendicular

Question 6

How many bones total are there in an adult human?

Answer 6

206

Question 7

Do child and teenagers have more or less bones than an adult?

Answer 7

More; bones finish growing and fuse together into single bones once you’re done growing

Question 8

What are three main parts of skeletal structure?

Answer 8

bones, cartilage, and ligaments

Question 9

What type of bone is the femur (thigh bone)?

Answer 9

long

Question 10

What type of bone is a single vertebrae (single spine joint)?

Answer 10

irregular

Question 11

What are the missing types of bone: long, irregular, sesamoid, _____________, and _____________.

Answer 11

short and flat

Question 12

What are the missing parts of a bone’s structure: compact, periosteum, bone marrow, _____________, and _______________.

Answer 12

spongy and cartilage

Question 13

______________ produces red blood cells

Answer 13

Red bone marrow

Question 14

What type of bone cell breaks down bone before reconstruction?

Answer 14

osteoclasts (c for “chaos”)

Question 15

What type of bone cell maintains existing bone?

Answer 15

osteocytes

Question 16

What type of bone cell rebuilds bone after the osteoclasts break it down?

Answer 16

osteoblasts (b for “builders”)

Question 17

What type of bone cell is responsible for regulating movement of materials in/out of the bone?

Answer 17

lining cells