Anatomy & Physiology B/C

Uber · Post by **Uber** » January 27th, 2016, 7:21 pm

How does muscle coactivation happen? Why?
How does reciprocal innervation happen? Why?

sciolylover13 · Post by **sciolylover13** » January 28th, 2016, 6:22 am

Uber wrote:How does muscle coactivation happen? Why?
How does reciprocal innervation happen? Why?

Answer (Click to Show Hidden Text)

1. Muscle coactivation happens when a muscle is actively coordinated with another muscle. This stabilizes joints.
2. Reciprocal innervation controls agonists and antagonists. It describes skeletal muscles as existing in antagonistic pairs, with contraction of one muscle producing forces opposite to those generated by contraction of the other.

Uber · Post by **Uber** » January 28th, 2016, 4:55 pm

sciolylover13 wrote:
Uber wrote:How does muscle coactivation happen? Why?
How does reciprocal innervation happen? Why?
Answer (Click to Show Hidden Text)
1. Muscle coactivation happens when a muscle is actively coordinated with another muscle. This stabilizes joints.
2. Reciprocal innervation controls agonists and antagonists. It describes skeletal muscles as existing in antagonistic pairs, with contraction of one muscle producing forces opposite to those generated by contraction of the other.

All good

Might add simultaneous contraction of agonist and antagonist can damage bones (I think).

sciolylover13 · Post by **sciolylover13** » January 29th, 2016, 6:56 am

Yay!

[hide]Label the attached picture.|[/hide].

Uber · Post by **Uber** » February 2nd, 2016, 6:09 pm

sciolylover13 wrote:Yay!

[hide]Label the attached picture.|[/hide].

Answers (Click to Show Hidden Text)

A: Parietal bone
B: Maxilla
C: Mandible
D: Frontal bone
E: Ethmoid bone
F:Vomer

sciolylover13 · Post by **sciolylover13** » February 2nd, 2016, 6:27 pm

Uber wrote:
sciolylover13 wrote:Yay!

[hide]Label the attached picture.|[/hide].
Answers (Click to Show Hidden Text)
A: Parietal bone
B: Maxilla
C: Mandible
D: Frontal bone
E: Ethmoid bone
F:Vomer

Yup! Your turn!

Uber · Post by **Uber** » February 2nd, 2016, 6:31 pm

Short questions today:
Names of the three ossicles
How do they form?

sciolylover13 · Post by **sciolylover13** » February 3rd, 2016, 9:25 am

Uber wrote:Short questions today:
Names of the three ossicles
How do they form?

Answers (Click to Show Hidden Text)

Incus, Malleus, Stapes. In a human embryo there are ossified portions of cartilage that are attached to the jaw. As the embryo develops, the cartilage hardens to form bone. Later in development, the bone structure breaks loose from the jaw and migrates to the inner ear area.

Uber · Post by **Uber** » February 3rd, 2016, 4:19 pm

sciolylover13 wrote:
Answers (Click to Show Hidden Text)
Incus, Malleus, Stapes. In a human embryo there are ossified portions of cartilage that are attached to the jaw. As the embryo develops, the cartilage hardens to form bone. Later in development, the bone structure breaks loose from the jaw and migrates to the inner ear area.

Correct!

sciolylover13 · Post by **sciolylover13** » February 4th, 2016, 9:39 am

Uber wrote:
sciolylover13 wrote:
Answers (Click to Show Hidden Text)
Incus, Malleus, Stapes. In a human embryo there are ossified portions of cartilage that are attached to the jaw. As the embryo develops, the cartilage hardens to form bone. Later in development, the bone structure breaks loose from the jaw and migrates to the inner ear area.
Correct!

YAY!!!

Question (Click to Show Hidden Text)

Name and describe the three main types of skin cancer.

Scioly.org

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