A&P Histology: Muscle Tissue Practice Quiz

Muscle tissue make up ​ (a)   of body mass. It causes all body​ (b)   . Muscle cells are called​ (c)   , or myofibrils. There are ​ (d)   types of muscle tissue.

• 40 - 50%
• movements
• muscle fibers
• fasciles
• 10 - 25%
• 3
• 5

Muscles ​ (a)   when electricity is ​ (b)   . Muscles ​ (c)   when electricity is​ (d)   .

• contract
• present
• relax
• absent

Reorder the following from largest to smallest

• Fascicle

• Muscle

• Muscle fiber

Tags

NGSS.HS-LS1-2

Two proteins called​ (a)   , which is thin, and ​ (b)   , which is thick, help muscles to contract.

• actin
• myosin

We move when muscles ​ (a)   (shorten) and ​ (b)   (lengthen).

• contract
• relax

Muscle tissue is vascular

• True

• False

Organize these options into the right categories

Groups:

(a) Skeletal Muscle

,

(b) Cardiac Muscle

,

(c) Smooth Muscle

• Found in the heart

• Push & digest food

• Voluntary control

• 
• 
• Found inside many organs such as stomach, intestines, vessels, bladder

• Example: quadriceps and biceps

• Multinucleated and striated

• Functions to pump blood through arteries & veins

• Centrally located nuclei and NO striations

• Branched and interconnected

• 
• Mostly involuntary control

• Contracts slowly (peristalsis)

• Functions in movement, posture, heat production

• Contractions to prepare for childbirth

• Attached to your bones and sometimes your skin (in your face)

• Involuntary control

• Centrally located nuclei and striations

• Peripherally located nuclei