Unit 5

Temporal lobe of cerebrum (outside of brain)

Smell perception

Parietal lobe of cerebrum (outside of brain)

Somatosensory, touch & taste perceptions

Special sensory organs

Tongue (taste), Nose (smell), Eyes (vision), Ears (sound)

Occipital lobe of cerebrum (outside of the brain)

Visual perception

Function of skeletal muscles

produce movement, maintain posture, stabilize joints, maintain body temperature

The skeletal system composed of what?

* Bone- a type of connective tissue * Cartilage- like bone tissue but does not contain mineral matrix * Ligaments & Tendons- ligaments hold bones to bones & tendons connect muscles to bones

Types of muscles

* Smooth muscle fibers- have a single nucleus * Cardiac muscle- forms the heart wall * Skeletal muscle fibers- tubular, multinucleated & striated

Sympathetic responses

Associated with fight or flight- various organs are targeted unconsciously

Parasympathetic responses

Associated with maintenance activities, such as digestion and resting.

Skeletal muscles

Attached to skeleton; shortening moves the bones at the joints

Bone repair

Bone is very vascular (think vessel) because of the exchange the bone has with blood

Sensory nerves from visceral (digestive) organs

Brain interprets related to digestion and function

Frontal lobe of cerebrum (outside of brain)

Consciousness & somatic motor responses (external environment)

The nervous system

Interconnected nervous tissues that conduct impulses throughout the body

The muscular system

Involves movement, all muscles contract (shorten) to cause movement

Articulations (aka joints)

Ligaments connect bones ad other connective tissue to form joints (aka articulations)

What is the embryonic skeleton?

Mostly composed of cartilage which enables rapid bone growth

The peripheral nervous system (PNS)

Nerves that branch off the spinal cord and brain

What is a mineral matrix composed of?

Protein

The central nervous system (CNS)

brain and spinal cord

Brain stem (inside center of brain)

involuntary functions like respiratory (breathing) and heart rates

Somatosensory nerves

sensory nerves that provide information from the skin and muscles (ex. touch, temp, pain)