Skeleton And Support

Question 2

What is the primary function of the skeletal system in animals?

Answer 2

To provide support and structure to the body.

Question 3

True or False: All animals have an internal skeleton.

Answer 3

False

Question 4

What are the two main types of skeletons found in animals?

Answer 4

Endoskeletons and exoskeletons.

Question 5

Fill in the blank: The hard outer structure that protects and supports some animals is called an __________.

Answer 5

exoskeleton

Question 6

Which type of skeleton is found in vertebrates?

Answer 6

Endoskeleton

Question 7

What is the role of cartilage in the skeletal system?

Answer 7

To provide flexibility and cushioning at joints.

Question 8

Name one advantage of having an exoskeleton.

Answer 8

Protection from predators.

Question 9

True or False: The skeletal system is involved in the production of blood cells.

Answer 9

True

Question 10

What is the term for the movement produced by muscles contracting against a skeleton?

Answer 10

Locomotion

Question 11

Multiple Choice: Which of the following is NOT a function of the skeletal system? A) Support B) Movement C) Digestion D) Protection

Answer 11

C) Digestion

Question 12

What type of muscle is responsible for voluntary movements?

Answer 12

Skeletal muscle

Question 13

Fill in the blank: __________ muscle is involuntary and found in the walls of internal organs.

Answer 13

Smooth

Question 14

True or False: Cardiac muscle is found only in the heart.

Answer 14

True

Question 15

What is the main difference between smooth and skeletal muscle?

Answer 15

Smooth muscle is involuntary, while skeletal muscle is voluntary.

Question 16

What is a joint?

Answer 16

A point where two bones meet.

Question 17

Multiple Choice: Which type of joint allows for the greatest range of motion? A) Hinge B) Ball-and-socket C) Pivot D) Saddle

Answer 17

B) Ball-and-socket

Question 18

What is the role of tendons in the muscular system?

Answer 18

To connect muscles to bones.

Question 19

Fill in the blank: __________ are the basic functional units of muscle tissue.

Answer 19

Muscle fibers

Question 20

True or False: Animals with exoskeletons can grow continuously without molting.

Answer 20

False

Question 21

What is molting?

Answer 21

The process of shedding an old exoskeleton to allow for growth.

Question 22

What are ligaments?

Answer 22

Tissues that connect bones to other bones at joints.

Question 23

Multiple Choice: Which animal group primarily utilizes hydrostatic skeletons? A) Mammals B) Arthropods C) Annelids D) Birds

Answer 23

C) Annelids

Question 24

What is the primary component of bone tissue?

Answer 24

Collagen and minerals, primarily calcium phosphate.

Question 25

Fill in the blank: The __________ system includes all the muscles that enable movement in an animal's body.

Answer 25

muscular

Question 26

What is the primary function of the muscular system?

Answer 26

To facilitate movement and maintain posture.

Question 27

True or False: All animals use the same type of skeletal system.

Answer 27

False

Question 28

What is an example of an animal with a hydrostatic skeleton?

Answer 28

A jellyfish.

Question 29

Multiple Choice: Which type of joint allows for rotation around a single axis? A) Hinge B) Ball-and-socket C) Pivot D) Gliding

Answer 29

C) Pivot