Ch. 4 Muscle Tissue

Question 1

Muscle Tissue

Answer 1

Highly cellular, well-vascularized tissue that functions to produce movement.

Called muscle cells

Contain internal myofilaments (actin and myosin) for contraction.

3 types of Muscle Tissue:
Skeletal muscle
Cardiac muscle
Smooth muscle

Question 2

Actin and myosin

Answer 2

Controls the contractions

Question 3

Skeletal Muscle

Answer 3

Voluntary: Striations, due to A & M, multi nucleated, long rod like shape.

Question 4

Cardiac Muscle

Answer 4

Involuntary: Location is the heart, intercalated discs- gap junction, striated , cells Y branched (aware like contraction instead of whole heart).

Question 5

Smooth Muscle

Answer 5

Involuntary: Wall of hollow organs (stomach, intestines, blood vessels, etc.) Not striated, Spindle shaped cells.