Definitions
The protective waterproof outer layer of epidermis of an animal.
Cuticle
Muscles that act automatically, like the heart
Involuntary Muscles
Long, rod-shaped cells which make up muscle tissue.
Myofibrils
How many bones does the average adult skeleton have?
206
True or False: The two main parts of the nervous system are the Central Nervous System and the Brain
False, the two main parts are the CNS and the PNS
The thick lower layer of skin beneath the epidermis
Dermis
Muscles which can be consciously controlled, like the arm
Voluntary Muscles
True or False: Hair and the tips of the nails are made up of live cells
False, they are made up of dead skill cells
What does the skeletal system do?
It supports the body, protects organs, and permits movement
What are the branched endings of a neuron called?
Dendrites
A nerve cell
Neuron
Neurons ending in sensitive receptors, they carry information to the central
nervous system.
Sensory Neuron
Name three functions of the skin
Waterproof, maintains body temperature, protects the body from disease
True or False: Individual muscles can pull and push
False, muscles can only pull, not push
What do CNS and PNS stand for?
Central Nervous System and Peripheral Nervous System
A tough flexible tissue that cushions joints and makes body parts such as the ears
and trachea
Cartilage
The part of the skeleton made up of the skull, backbone and rib cage.
Axial Skeleton
What does the integumentary system do?
It covers and protects the body
What does the muscular system do?
It moves the body and helps support it
What does the nervous system do?
It controls the body, allows a person to think and feel
The part of the skeleton made up of the bones in the shoulders, arms, pelvis and legs.
Apendicular Skeleton
Neurons which pass instructions from the central nervous system to the body.
Motor Neurons
What are the pits in the dermis that hair grows from called?
Follicles
What are the three types of muscles?
Smooth, cardiac, and skeletal
What are the three main regions of the brain and what does each one do?
Brain stem: controls automatic processes
Cerebellum: regulates smooth body movements
Cerebral Hemispheres: control thoughts, feelings, and senses