Muscular System

Question 1

3 kinds of muscles and an example

Answer 1

Cardiac- heart
Smooth- stomach
Skeletal- biceps

Question 2

Muscles you control

Answer 2

Voluntary

Question 3

Musicales you do not control

Answer 3

Involuntary

Question 4

Shortening of muscle fibers

Answer 4

Contraction

Question 5

Points of attachment that doesn’t move

Answer 5

Origin

Question 6

Point of attachment that doesn’t move

Answer 6

Insertion

Question 7

Bending of joins

Answer 7

Flexing

Question 8

Straightening of joint

Answer 8

Extension

Question 9

Opposite muscles

Answer 9

Antagonistic

Question 10

The act of drawing away from the midpoint

Answer 10

Abduction

Question 11

The act of drawing towards the mid point

Answer 11

Adduction

Question 12

Holds muscles to bone

Answer 12

Tendon

Question 13

What do muscles need for energy?

Answer 13

Glucose and oxygen

Question 14

What causes tired muscles after exercising?

Answer 14

Lactic acid

Question 15

What is muscle tone?

Answer 15

Muscle slightly contracted even when you are not pulling

Question 16

Fit muscles have what three important characteristics?

Answer 16

Strength
Endurance
Flexibility

Question 17

Muscle ruptures and blood flows

Answer 17

Bruise

Question 18

Injury to ligaments

Answer 18

Sprain

Question 19

Injury to tendon or muscle

Answer 19

Strain

Question 20

Contracts and won’t relax- caused by dehydration

Answer 20

Muscle cramp

Question 21

What is the most common cause of poor posture?

Answer 21

Weak, inflexible, abdominal muscles- weak core

Question 22

3 functions of the muscular system

Answer 22

Moving
Maintain posture
Swallowing/ digestion, breathing