Exercise 10- Muscular system

1.heart muscle A. deltoid 2. muscular cap of shoulder B. muscle myocardial 3. ring-like muscle C. sphincter

1.B - 2.A - 3.C

How does a skeletal muscle rapidly generate heat?

A by-product of cellular respiration is metabolic heat

This muscle type never stops working in order to pump the blood.

Cardiac

List three muscle actions you studied as antagonistic pairs.

Flexion pronation abduction ...and extension supination adduction

Was the muscle fatigue activity illustrating isometric or isotonic muscle contractions?

Isotonic

This muscle type would be found in the wall of the stomach, uterus and urinary bladder as well as in the arteries and veins.

Smooth

Which two proteins slide past each other to produce a muscle contraction?

actin and myosin

Which of the following is characteristic of cardiac and smooth muscle, but not skeletal muscle?

all of the above

Two muscles that bring about opposite effects are known as what?

antagonistic

Which muscle group does NOT assist to flex knee?

deltoid

Raising or lifting of a body part

elevation

What is the primary sugar molecule required by muscle cells to generate ATP for muscle contraction?

glucose

What is the stored form of sugar in skeletal muscle fibers called?

glycogen

What molecule is stored in muscle tissue that can be used to produce energy?

glycogen

What kind of acid is formed when there is not enough oxygen available to the skeletal muscle fibers? In other words, anaerobic respiration results in the accumulation of acid in skeletal muscle tissue.

lactic

Which of the following is NOT a muscle of head?

lateralis

The attachment or anchor of a muscle that does not move when the muscle contracts is called the ______

origin

......... - One end of the skeletal muscle joints to a bone stationary. ............ - The other end of the muscle attaches to another bone across a joint.

origin.... insertion

Which one of the followings is NOT named for its location?

rectus

The _____________ muscles are under voluntary control

skeletal

The muscles that you are moving while climbing some stairs would be ______?

skeletal

A ______________ is a ring-like muscle that tightly constricts the opening of a passageway

sphincter

Which muscle assist the laughing or coughing?

transverse