The cone-shaped muscular organ located in the chest cavity
What is the heart
The lymphatic system is also connected to this body system?
What is the cardiovascular system
The name for study of bones
The organ that controls the nervous system
Dense, strong bands of fibrous tissues that connect the bones to each other
What is ligaments
What is varicose veins
Lymph fluid contains this type of white blood cells
What is lymphocytes
The articular (_________) system is the connection made between the bones in the body, which link to the skeletal system
What is the joints
Any part of the nervous system that is not the brain or spinal cord
The three types of muscles in the human body
What is cardiac muscle, involuntary muscle (skeletal), voluntary muscle (smooth)
The ability of the body to maintain a relatively stable internal state by constantly adjusting and responding to changes inside and outside the body
What is homeostasis
A primary function of the lymphatic system is to maintain fluid balance between blood and tissues by removing what kind of waste?
What is interstitial fluid
You are born with approximately 300 bones, but as we age, many fuse together and total how many?
What is 206 bones
Nerve cells that bring information to the cell body
What is dendrites
The muscle that controls the eyebrows, drawing them inwards and downwards
What is corrugator
This substances makes up about 55% of blood and contains 90% water
What is plasma
Bean-shaped structures that filter out bacteria and viruses from the lymph fluid
What is lymph node
The lower jaw and the largest and strongest bone of the facial skeleton
What is the mandible
What is the automatic nervous system
There are three key parts of a muscle, they are the origin, belly and the __________
What is the insertion
A pacemaker is a device that is implanted to correct the dysfunction of this
What is the sinus node
The organ that generates lymphocytes
What is red bone marrow
The hardest substance of the human body
What is tooth enamel
The largest of the cranial nerves, this is the chief sensory nerve primarily responsible for transmitting facial sensations to the brain and for controlling motor nerve function
What is the trifacial nerve
The two muscles that form the epicranius
What is the frontalis and occipitalis