The outer layer of skin
epidermis
The part of the skeleton made up of the skull, backbone, and rib cage
Axial skeleton
nerve cell, carries electrical impulses
neuron
breathing in
inhalation
The thick lower layer of skin beneath the epidermis
dermis
the part of the skeleton made up of the bones in the shoulders, arms, pelvis, and legs
Appendicular skeleton
neurons which pass instructions from the central nervous system to the body
breathing out
exhalation
the protective waterproof outer layer of the epidermis of an animal
cuticle
involuntary muscles
true
strong vessels that carry blood away from the heart
arteries
a tough flexible tissue that cushions joints and makes body parts such as the ear and trachea
cartilage
muscles which can be consciously controlled, like the arm
voluntary muscles
name the system: it supports the body, protects organs, and permits movement
skeletal system
the vessels that carry blood to the heart
veins
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.
true or false: the average adults skeleton has over 500 bones
false
the skeleton has over 200 bones
it controls the body, allows a person to think and feel
nervous system
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