Nervous System
The ________ nervous system consists of nerves that lie OUTSIDE the brain and spinal cord.
Peripheral
What do endocrine glads do?
Secrete product into the blood
Thin Filaments
Actin
Mechanical Digestion
Food is broken down by chewing
Why do contractions intensify during labor?
Positive Feedback
Interneurons are located in the...
CNS
Stimulated by pressure/force
Mechanoreceptors
Preferred source of energy in muscles
Glycogen
Jaundice is the build up of ____ in tissues
Bilirubin
Pre-chewing food you feed to someone else is called ____________________.
Premastication
At rest, Na+ ions are concentrated _______ the cell, while K+ ions are concentrated _______ the cell.
Outside, Inside
What pathway is the effect the same as the stimulus?
Positive Feedback
Light colored muscles
Fast twitch/power muscles (anaerobic)
What enzyme breaks down proteins
Pepsin
Where are most of your taste receptors (chemoreceptors) located?
In your digestive tract
What allows action potentials to conduct faster?
Myelination
What happens when you have an uneven cornea?
Astigmatism
Degeneration or weakening of muscles
Muscular Dystrophy
Folds that increase the surface area of the small intestine
Villi
Why are stiffs stiff?
No ATP in the muscles (Myosin heads are bound to actin) AKA rigor mortis
What system is active during excitement, emergency, and exercise?
Sympathetic
What distance (close or far) contracts the ciliary muscle, allows the suspensory muscle to have slack, allows the lens to be curved?
Close objects
Put these in order big to small
1. Fascicle
2. Myofibril
3. Muscle fiber/cell
4. Muscle belly
4, 1, 3, 2
What is the major function of the large intestine (colon)?
To absorb water
More sensitive areas on the body have __________ of the cerebral cortex devoted to that area.
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