Muscular Contraction and Reflex Control

Question 1

Humans have 3 major types of muscle tissue…Name them

Answer 1

1) Skeletal muscle - striated
2) Smooth muscle - non striated
3) Cardiac muscle - striated

Question 2

What are the functions of the specific muscle tissues ?

Answer 2

Skeletal muscle - moves and stabilises the muscle tissue - generates heat and protects the internal organs - consciously and subconsciously controlled.

Cardiac muscle - Moves blood through heart; maintains blood pressure.

Smooth muscle - found in GI, Urinary and reproductive tracts. Regulated diameter of blood vessels

Question 3

Name 4 general functions of the muscle tissues

Answer 3

1) Body movement
2) Stabilizing body position
3) Generating heat e.g; shivering
4) Storing and moving substances e.g; Urine

Question 4

Name 4 general properties of the muscle tissues

Answer 4

1) Electric excitability
2) Contractility
3) Extensibility
4) Elasticity - ability to return to normal shape and length after contraction

Question 5

Muscles are attached to the bone via the tendon. TRUE or FALSE ?

Answer 5

TRUE

Question 6

What is the Sacromere made up of ?

Answer 6

Thick and Thin filaments

Question 7

How are muscle fibers formed ?

Answer 7

During development of hundreds of myoblasts

Question 8

Muscle growth is via Hyperthrophy (under the effect of hormones and exercise). TRUE or FALSE ?

Answer 8

TRUE