Module 5 BIOD 151 (Latest Update 2025 / 2026) Essential Human Anatomy & Physiology I | Questions & Answers | Grade A 100% Correct. Portage Learning.

BIOD 151




Module 5 BIOD 151 (Latest Update )
Essential Human Anatomy & Physiology I |
Questions & Answers | Grade A 100% Correct.
Portage Learning.

1. antagonist: muscles that perform paired and opposing

action

2. origin: site of attachment that is stationary during the movement;

where the muscle starts

3. insertion: site of attachment that is moved by the muscle

contraction

4. action: what effect is produced by the muscle's contraction ex:

triceps are the primary extensors of the forearm

5. innervation: the peripheral nerve that supplies a muscle

with the message from the brain

ex: innervation of the biceps brachii is the musculocutaneous nerve






,6. muscles of facial expression: 12 pairs of cranial nerves that

originate on the ventral surface of the brain, controlling muscles

and functions of several organs and glands

7. Orbicularis oculi


action: eye closure

innervation: CN 7:




8. orbicularis oris


action: mouth closure, closes lips, protudes lip forward,

presses lip against teeth innervation: CN 7:






,BIOD 151


9. zygomaticus

major/minor


action: pulls corner of

lips upwards

innervation: CN 7:




10. risorius


action: pulls corners

of mouth posteriorly

innervation: CN 7:




11. frontalis


action: raises eyebrows innervation: CN 7:




12. masseter






, action: jaw closure

innervation: CN 5,

mandibular branch:


13. buccinator


action: compresses check

innervation: CN 7:




14. temporalis