Show:
Integumentary System
Skeletal System and Muscular Systems
Nervous System and Miscellaneous
Circulatory and Respiratory Systems
100

The outer layer of skin

epidermis

100

The part of the skeleton made up of the skull, backbone, and rib cage

Axial skeleton

100

nerve cell, carries electrical impulses

neuron

100

breathing in

inhalation 

200

The thick lower layer of skin beneath the epidermis

dermis

200

the part of the skeleton made up of the bones in the shoulders, arms, pelvis, and legs

Appendicular skeleton

200

neurons which pass instructions from the central nervous system to the body

motor neurons
200

breathing out

exhalation

300

the protective waterproof outer layer of the epidermis of an animal 

cuticle 

300
Muscles that are automatic, like the heart

involuntary muscles

300
true or false: The four types of bones are long bones, short, bones, flat bones, and irregular bones

true

300

strong vessels that carry blood away from the heart

arteries

400

a tough flexible tissue that cushions joints and makes body parts such as the ear and trachea 

cartilage 

400

muscles which can be consciously controlled, like the arm

voluntary muscles 

400

name the system: it supports the body, protects organs, and permits movement

skeletal system 

400

the vessels that carry blood to the heart 

veins

500

True or false: hair and the tips of the nails are both made up of live cells

false. 

they are both made up of dead cells.

500

true or false: the average adults skeleton has over 500 bones

false

the skeleton has over 200 bones

500

it controls the body, allows a person to think and feel 

nervous system 

500

true or false: arteries carry blood too the heart, veins carry blood away from the heart

False

veins carry blood to the heart, arteries carry blood away from the heart