Chaptet 7.2

Question 1

Why is it not possible for insects to grow as large as cars?

Answer 1

• Can’t shed exoseketon to grow larger
• Can’t suply oxygen to all parts of the body
• Wouldn’t be able to support mass of large insect

Question 2

Where do we get our source of mtter and energy?

Answer 2

Food

Question 3

Ligaments

Answer 3

Flexible cords of connecting tissue, attach bone to bone

Question 4

Tendons

Answer 4

Flexible cords of connective tissue, attach muscle to bone

Question 5

Skeletal muscle

Answer 5

Muscles for movement

Question 6

Smooth Muscle

Answer 6

The muscles of the esophagus, intestines, that move without you having to consciously do it

Question 7

Cardiac Muscle

Answer 7

The muscle of the heart, always contracting

Question 8

Describe the role of the protiens atin and myosin in the movement of muscles.

Answer 8

They cause the muscles to shorten

Question 9

Hydrostatic Skeleton

Answer 9

Fluid in the skeleton

Question 10

Endoskeleton

Answer 10

Inside skeleton

Question 11

Exoskeleton

Answer 11

Outside skeleton

Question 12

What are the functions of the skeletal system?

Answer 12

Provide support, protect and cause movement

Question 13

What are the functions of the muscular system?

Answer 13

Provide movement