Science - Chp 14 - Bones, Muscles And Skin

Front 1

2 types of muscles found in the body

Back 1

involuntary and voluntary

Front 2

acne

Back 2

a bacterial infection of the skin in which the oil glands become blocked and swollen

Front 3

ball-and-socket joint

Back 3

ball-and-socket joints allow the greatest range of motion. Your shoulder is an example of a ball-and-socket joint.

Front 4

canal

Back 4

center, contains marrow

Front 5

cancer

Back 5

a disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them

Front 6

cardiac muscle

Back 6

Muscle tissue found only in the heart.

Front 7

cartilage

Back 7

A connective tissue that is more flexible than bone and that gives support to some parts of the body.

Front 8

cell

Back 8

the basic unit of a living thing

Front 9

cell membrane

Back 9

the outside boundary of a cell; controls which substances can enter and leave the cell

Front 10

compact bone

Back 10

outer laayer, solid, tough

Front 11

connective tissue

Back 11

a body tissue that provides support for the body and controls all of its parts

EX: blood, bone and cartilage

Front 12

cytoplasm

Back 12

the region of the cell located inside the cell membrane or between the cell membrane and the nucleus; contains a gel-like material and cell organelles

Front 13

dermis

Back 13

the lower layer of the skin

Front 14

epidermis

Back 14

The outermost layer of the skin.

Front 15

epithelial tissue

Back 15

a body tissue that covers the surfaces of the body, inside and out

Front 16

follicle

Back 16

Structure in the dermis of the skin from which a strand of hair grows.

Front 17

functions of the skin

Back 17

1) covers and protects the body from injury, infection and water loss

2) helps regulate body temperature

3) eliminates waste

4)produces vitamin D

5) gathers info from the environment (through the nerves)

Front 18

gliding joint

Back 18

1 bone slides over the other, wrist + ankles

Front 19

hinge joint

Back 19

allows extensive foward or backward motion EX:(elbow and knee)

Front 20

homeostasis

Back 20

the process by which an organism's internal environment is kept stable in spite of changes in the external environment

Front 21

How can you keep your bones strong+healthy?

Back 21

You can keep your bones strong+healthy by a combination of a balanced diet,regular exercise can start you on your way to a lifetime of healthy bones.

Front 22

involuntary muscle

Back 22

A muscle that is not under conscious control.

Front 23

joint and types

Back 23

a place where 2 bones come together; movable and immovables

Front 24

levels of organization in a body

Back 24

1) cells
2) tissues
3) organs
4) organ systems

Front 25

ligament

Back 25

strong connective tissue that holds together the bones in a movable joint

Front 26

marrow

Back 26

The soft tissue that fills the internal spaces in the bone.

Front 27

melanin

Back 27

A pigment that gives the skin its color.

Front 28

nerve tissue

Back 28

a body tissue that carries messages back and forth between the brain and every other part of the body

Front 29

nucleus

Back 29

the control center of the cell that directs the cell's activities; contains the chemical instructions that directs all the cell's activities and determine the cell's characteristics

Front 30

organ

Back 30

a structure in the body that is composed of different kinds of tissue

Front 31

organ system

Back 31

a group of organs that work together to perform a major function in the body

Front 32

osteoporosis

Back 32

a condition in which the body's bones become weak and break easily

Front 33

pivot joint

Back 33

one bone rotates around the other , neck

Front 34

pivot joint

Back 34

the pivot joint allows one bone to rotate around another

Front 35

pore

Back 35

An opening through which sweat reaches the surface of the skin.

Front 36

pores

Back 36

an opening through which sweat reaches the surface of the skin

Front 37

red marrow

Back 37

blood formation

Front 38

skeletal muscle

Back 38

A muscle that is attached to the bones of the skeleton.

Front 39

smooth muscle

Back 39

an involuntary muscle that is found inside many internal organs of the body

Front 40

spongy bone

Back 40

outer sides, light but strong, pores

Front 41

stress

Back 41

the reaction of a person's body and mind to threatening, challenging, or disturbing events

Front 42

structure of the skin

Back 42

skin is organized into 2 layes:
- dermis - inner layer
-epidermis - outer layer

Front 43

tendon

Back 43

Strong connective tissue that attaches a muscle to a bone.

Front 44

vertebrae

Back 44

The 26 small bones that make up the backbone.

Front 45

voluntary muscle

Back 45

a muscle that you can control

Front 46

what are characteristics of bones

Back 46

- undergo growth and development - bone tissue continues to grow even after you stop growing
-bones have compact sections and spomgy sections
-bones are both strong yet lightweight
- bones are alive - they have blood and nerves

Front 47

What are the five functions of the skeleton?

Back 47

1 provides shape and support.2 enables you to move.3 protects your internal organs.4 produces blood cells.5 and stores certain materials untill your body needs them.

Front 48

what are the three types of muscle tissue

Back 48

skeletal, smooth, and cardiac

Front 49

What do movable joints allow you to do?

Back 49

Movable joints allow you to make a wide range of movements

Front 50

What happens to cartilage as you grow?

Back 50

the cartilage is replaced by bone

Front 51

why do sckeletal muscles work in pairs

Back 51

b/c muscles can only contract and shorten, so they always have to work in pairs

ex - biceps and triceps work in pair (as biceps contracts, tricep relaxes)

Front 52

yellow marrow

Back 52

storage site for fat

Front 53

3 types of muscle tissue

Back 53

skeletal muscle
smooth muscle
cardiac muscle

- some are voluntary and some are involuntary