100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Bios 252 Final study guide questions and answers rated A+ 2024/2025 $12.99   Add to cart

Exam (elaborations)

Bios 252 Final study guide questions and answers rated A+ 2024/2025

 8 views  0 purchase
  • Course
  • BIOS 252
  • Institution
  • BIOS 252

Bios 252 Final study guide questions and answers rated A+ 2024/2025

Preview 4 out of 33  pages

  • October 25, 2024
  • 33
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • bios 252
  • BIOS 252
  • BIOS 252
avatar-seller
AllLegitExams
Bios 252 Final study guide


Properties of Muscular Tissue
electric excitability, contractility, extensibility, elasticity


The sliding filament mechanism
system of muscle contraction wherein shortening occurs by using thick and skinny filaments
sliding past each other




Previous
Play
Next
Rewind 10 seconds
Move forward 10 seconds
Unmute
0:04
/
0:15
Full display screen
Brainpower
Read More
Isotonic and Isometric Contractions
isotonic: duration of the muscle changes anxiety does not.
Isotonic concentric: most commonplace, tension constant, muscle is shortening ex: biceps curl
(bringing it up)
isotonic eccentric: putting the barbell backtrack


lever
A rigid shape this is unfastened to transport around a set factor (fulcrum)


fulcrum
The constant factor around which a lever pivots


attempt
reasons motion

,load
is resistance which opposes movement


3 different instructions of levers
First magnificence, 2d class, Third class


First class levers
Fulcrum in the center like a see-saw(nodding the top)


Second elegance levers
the weight is among the fulcrum and the enter force (produce force)


Third elegance levers
Effort located between the resistance and the fulcrum(maximum limbs of the human body)
forearm throughout bicep curl


Coordination amongst muscle mass
Muscles are arranged is opposing pairs at joints. Example: flexors-extensors,
abductors-adductors. Prime movers settlement at the same time as the opposing muscle
(antagonist) stretches.


Synergists muscular tissues
muscular tissues that stabilize systems


fixators
stabilize the intermediate joints, to prevent unwanted motion at intermediate joints


Organization of the Nervous System
The essential subdivisions of the apprehensive machine are (1) the imperative worried device
(CNS), which includes the mind and spinal wire, and (2) the peripheral apprehensive system
(PNS), which includes all worried tissue out of doors the CNS.


Central Nervous System (CNS)

,includes the brain and spinal cord


Peripheral Nervous System (PNS)
includes all frightened tissue outside the CNS. Contains nerves and sensory receptors.


Sensory Divison (afferent, a part of PNS)
Conveys input into the CNS with sensory information about somatic senses (tactile, thermal,
ache, and proprioceptive sensations) and unique senses (scent, flavor, vison, listening to, and
equilibrium)


motor or efferent division
a part of the PNS that conveys output from the CNS to effectors (muscle and glands). (this
gadget is subdivided into somatic and autonomic anxious machine)


Somatic Nervous System (SNS)
Conveys output from the CNS to SKELETAL MUSCLES best. Action is VOLUNTARY


autonomic apprehensive machine
Conveys output from the CNS to smooth muscle, cardiac, and glands. Action is INVOLUNTARY


Two foremost branches of the ANS
Sympathetic and parasympathetic apprehensive machine


sympathetic anxious system
the division of the autonomic frightened machine that arouses the frame, mobilizing its power in
traumatic situations. FIGHT OR FLIGHT


Parasympathectic Nervous System
slows down the fire charge. Think "REST AND DIGEST"


enteric apprehensive gadget
Branch to the autonomic anxious gadget however for the GI tract. Helps alter the activity of the
smooth muscle and glands of the GI tract.

, Graded capacity
used for quick-distance communication most effective. Makes the membrane more or less
polarized. Most graded potentials arise within the dendrites and cellular body.


Motion potential
allow conversation over lengthy distances with the frame. Impulse of swiftly occurring activities
that decrease and reverse the membrane ability to restore to a resting country. Action capability
will arise most effective ONCE the membrane capacity reaches threshold.


Muscle motion ability
action potential in a muscle fiber


excitatory postsynaptic potential (EPSP)
depolarization of the postsynaptic membrane (brings membrane near threshold)


all-or-none precept
Refers to the reality that the movement potential inside the axon happens either complete-blown
or not at all.


Inhibitory postsynaptic capability (IPSP)
hyperpolarization of the postsynaptic membrane. (inside is extra bad)


small molecule neurotransmitters
The small-molecule neurotransmitters include acetylcholine, amino acids, biogenic amines, ATP
and other purines, nitric oxide, and carbon monoxide.


Acetylcholine (ACh)
is an excitatory neurotransmitter at some synapse (NMJ) and is likewise an inhibitory at different
synapses.


Amino acids
may be neurotransmitters within the CNS


Glutamate (amino acid neurotransmitter)
excitatory neuron within the CNS, half of the synapse inside the Brain speak via glutamate

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller AllLegitExams. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67163 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.99
  • (0)
  Add to cart