Vocabulary
A tough band of tissue that holds bones together at the joints
What is a ligament?
The name of the oil that skin produces
What is sebum?
The largest bone in the body
What is the femur?
Muscles you can consciously control
What are voluntary muscles?
This is the link between the brain and the nerves
What is the spinal cord?
The outer, thinnest skin layer that constantly makes new cells
What is the epidermis?
The protein that makes the skin tough and waterproof; fingernails are made of this
What is keratin?
This protects the brain
What is the cranium?
This is the only action muscles can perform
What is the pull action?
Made up of nerve cells in the brain, brainstem, and spinal cord
What is the central nervous system?
Muscles that cannot be consciously controlled
What are involuntary muscles?
Another word for sweat
What is perspiration?
This protects the heart and lungs
What is the rib cage?
Type of muscle in the heart
What is cardiac muscle?
The basic functioning unit of the nervous system
What is a neuron?
A thick band of tissue that attaches the bones to muscles
What is a tendon?
When exposed to sun, the skin makes this
What is Vitamin D
Where red blood cells are made
What is bone marrow?
Another name for smooth muscles
What are visceral muscles?
This includes all the nerves outside the CNS; connects the brain and spinal cord to other body parts
What is the peripheral nervous system?
The place where two or more bones come together; can be movable or immovable
What is a joint?
This gives skin its color
What is melanin?
206
What is the amount of bones in the human body?
When a muscle gets shorter and thicker
What is contraction?
This is how many sections of the brain there are
What is six?