How many bones make up the skeletal system?
206
Muscles found only in the heart?
Cardiac muscle tissue
What does the central nervous system include?
Brain and spinal cord
How many layers of skin are there?
3 layers
What do the Endocrine glands secrete?
Hormones
tough bonds of tissue that holds bones together or keep the organs in place, what am I?
Ligaments
What is the opposite of inversion?
Eversion
what is the purpose of the myelin sheaths?
to insulate axon fibers
What are the 3 layers?
Epidermis, dermis, and subcutaneous tissue
Where is insulin produced?
The pancreas
What are mature bone cells called?
Osteocytes
Move food through the digestive system (involuntary function)
Smooth muscle tissue
What are Schwann cells also known as?
Nodes of Ranvier
Integumentary system function
Protects, eliminates waste, helps regulate body temperature.
_____ is an "overactive thyroid"
Hyperthyroidism
How many types of bone tissues are there? name them?
2, compact and spongy
Connects cranium to skin above eyebrows
Frontalis
What is Gray Matter a term for?
Unmyelinated nerve fibers
The skin is made up of which two layers?
Epidermis and dermis
What hormone does the thymus secrete?
Thymosin
How many categories are there for the shapes of bones?
4, long, flat, short, irregular
Lateral epicondylitis is also known as ...
Tennis elbow
How many categories are there of reflexes, name them?
2, Somatic and automatic
T/F: Keratin is primarily responsible for human skin color.
False
What condition stems from the overproduction of cortisol, and is characterized by and round face with a reddish complexion?
Cushing syndrome