You Get on My Nerves
What are the short, branched extensions of a neuron that receive messages from other cells?
Dendrites
List 3 major bones of the skeletal system.
Cranium, ribs, femur, pelvis
Where is cardiac muscle found?
Heart
These are light-sensitive cells used for color vision and fine detail.
Cone cells
These are the five basic tastes.
Salty, sweet, bitter, sour, and umami.
What is the name for the gap between the axon of one neuron and the dendrites of another neuron?
Synapses
______ are connected bone to bone. ______ are connected muscle to bone.
Ligaments are connected bone to bone. Tendons are connected muscle to bone.
These are the three types of muscles in the body.
Skeletal, smooth, cardiac
The eustacian tube is the air passageway that connects the middle ear to the ______.
Throat
What tiny projections on the tongue contain taste buds?
Papillae
TRUE/FALSE: The brain and spinal cord belong to the peripheral nervous system. (Explain if false.)
FALSE: They belong to the central nervous system.
The skull bones are connected by immovable ______.
This affects metabolism, circulation, and respiration.
Exercise
Otherwise known as the "ear drum."
Tympanic Membrane
The sense of smell depends on receptors that send impulses to the brain by which nerves?
Olfactory Nerves
What insulating covering surrounds many axons and speeds up nerve signals?
Myelin (myelin sheath)
What is the porous inner core of bone where blood cells are produced?
Marrow (red bone marrow)
A skeletal muscle (a.k.a. voluntary muscle) is one that is controlled by this type of thought.
Conscious
These are the ears two key functions.
Hearing and Balance
The difference between the central nervous system (CNS) and the peripheral nervous system (PNS).
CNS - includes the brain and spinal column (center)
PNS - includes the nerves and sensory receptors (periphery or outer)
TRUE/FALSE: The brain stem controls respiration and heartbeat while the cerebellum controls the thinking. (Explain if false.)
FALSE: The cerebrum controls the thinking.
Ball & socket, hinge, elbow, and gliding are examples of these.
Moveable joints
The body has two types of specialized fibers in muscles that allow movement. This type has more mitochondria which provides more energy, but it also responds more slowly.
Slow-Twitch (Type 1) Fibers
Examples: long-distance running, swimming, cycling
Name 4 structures that make up the eye.
Optic nerve, retina, lens, cornea, pupil, iris
The 4 types of bones and how they are categorized.
Long, short, flat, irregular
Categorized by shape