6. For each the following, fill in the blank with the name of the rmuscle tissue

Question

6. For each the following, fill in the blank with the name of the rmuscle tissue that is described (skeletal, cardiac, or smooth). a. Muscle tissue of the heart b. A component of the iris that changes the size of the pupil in the eye c. Muscle tissue that attaches to the skeleton d. Changes the size of the opening (umen) of an air passageway (bronchiole) e. Responsible for forcing a baby from the uterus during childbirth f Changes the diameter of the lumen of blood vessels and helps regulate blood pressure g. Helps (through involuntary control) to expel urine from the bladder and feces from the digestive tract Exercise 11.5: Smooth Muscle Tissue 7. Which of the following are properties of smooth muscle tissue? (Check all that apply.) 1. Involuntary -2. Spindle-shaped fibers 3. striated 4. uninucleate 5. voluntary Chapter Eleven Muscle Tissue and Introduction to the Muscu

Explanation / Answer

6 a) Cardiac muscle

b) pupillary spincter (iris is a smooth muscle)

c) skeletal muscle

d)bronchi (smooth muscle)

e) contraction of uterine muscle(smooth muscle)

f)smooth muscle present in the wall of the blood vessel

g) pelvic floor muscle (smooth muscle)

7 smooth muscles are

Involuntary

Uninucleate

They have spindle shaped fibres

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