BIO 201 Exam 3 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
What composes the muscular system? - 🧠 ANSWER ✔✔Skeletal muscles
only
What is the study of the muscular system called? - 🧠 ANSWER ✔✔Myology
What are the 4 functions of muscles? - 🧠 ANSWER ✔✔1. Movement
2. Stability
3. Control of body openings and passages
4. Heat production
Muscular movements also serve various roles in ______________. - 🧠
ANSWER ✔✔Communication
,Describe stability. - 🧠 ANSWER ✔✔Prevents unwanted movements, there
are some muscles known as the antigravity muscles that fight against
gravity that help us not fall over or slump.
What percent of body heat is produced by skeletal muscles? - 🧠 ANSWER
✔✔85%
What is the endomysium layer? - 🧠 ANSWER ✔✔Thin sleeve of loose
connective tissue that surrounds each muscle fiber.
The endomysium layer provides room for two things, what are they? - 🧠
ANSWER ✔✔1. Blood capillaries
2. Nerve fibers
The endomysium also provides an __________ ______________
environment for the muscle fiber. - 🧠 ANSWER ✔✔extracellular chemical
Relate the endomysium tissue and excitation. - 🧠 ANSWER ✔✔Excitation
of the muscle fiber depends on exchange of calcium, sodium, and
potassium ions across the endomysial tissue and the nerve end.
What is the perimysium layer? - 🧠 ANSWER ✔✔Thicker connective tissue
sheath that wraps muscle fibers together in bundles called fassicles.
, What are fassicles? - 🧠 ANSWER ✔✔Bundles of muscle fibers together
Are fassicles visible to the naked eye, and if so what do they look like? - 🧠
ANSWER ✔✔Yes fassicles are visible to the naked eye, and they appear
as parallel strands.
What does the perimysium carry? - 🧠 ANSWER ✔✔Larger blood vessels,
larger nerves, and muscle spindles
What is the epimysium layer? - 🧠 ANSWER ✔✔The fibrous sheath that
surrounds the entire muscle
What is the fascia? - 🧠 ANSWER ✔✔Sheet of connective tissue that
separates neighboring muscles or muscle groups from each other and from
the subcutaneous tissue.
What are the two types of muscle attachments? - 🧠 ANSWER ✔✔1. Indirect
2. Direct
What is an indirect attachment? - 🧠 ANSWER ✔✔The muscle ends short of
its bony destination and the gap is bridged by a tendon.
What is a tendon? - 🧠 ANSWER ✔✔Fibrous band or sheet
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
Questions and Verified Answers |
Already Graded A+
What composes the muscular system? - 🧠 ANSWER ✔✔Skeletal muscles
only
What is the study of the muscular system called? - 🧠 ANSWER ✔✔Myology
What are the 4 functions of muscles? - 🧠 ANSWER ✔✔1. Movement
2. Stability
3. Control of body openings and passages
4. Heat production
Muscular movements also serve various roles in ______________. - 🧠
ANSWER ✔✔Communication
,Describe stability. - 🧠 ANSWER ✔✔Prevents unwanted movements, there
are some muscles known as the antigravity muscles that fight against
gravity that help us not fall over or slump.
What percent of body heat is produced by skeletal muscles? - 🧠 ANSWER
✔✔85%
What is the endomysium layer? - 🧠 ANSWER ✔✔Thin sleeve of loose
connective tissue that surrounds each muscle fiber.
The endomysium layer provides room for two things, what are they? - 🧠
ANSWER ✔✔1. Blood capillaries
2. Nerve fibers
The endomysium also provides an __________ ______________
environment for the muscle fiber. - 🧠 ANSWER ✔✔extracellular chemical
Relate the endomysium tissue and excitation. - 🧠 ANSWER ✔✔Excitation
of the muscle fiber depends on exchange of calcium, sodium, and
potassium ions across the endomysial tissue and the nerve end.
What is the perimysium layer? - 🧠 ANSWER ✔✔Thicker connective tissue
sheath that wraps muscle fibers together in bundles called fassicles.
, What are fassicles? - 🧠 ANSWER ✔✔Bundles of muscle fibers together
Are fassicles visible to the naked eye, and if so what do they look like? - 🧠
ANSWER ✔✔Yes fassicles are visible to the naked eye, and they appear
as parallel strands.
What does the perimysium carry? - 🧠 ANSWER ✔✔Larger blood vessels,
larger nerves, and muscle spindles
What is the epimysium layer? - 🧠 ANSWER ✔✔The fibrous sheath that
surrounds the entire muscle
What is the fascia? - 🧠 ANSWER ✔✔Sheet of connective tissue that
separates neighboring muscles or muscle groups from each other and from
the subcutaneous tissue.
What are the two types of muscle attachments? - 🧠 ANSWER ✔✔1. Indirect
2. Direct
What is an indirect attachment? - 🧠 ANSWER ✔✔The muscle ends short of
its bony destination and the gap is bridged by a tendon.
What is a tendon? - 🧠 ANSWER ✔✔Fibrous band or sheet
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
