Integumentary System

Question 1

Endoderm

Answer 1

is the innermost layer of cells of the zygote.

Question 2

Mesoderm

Answer 2

is the middle layer of cells of the zygote.

Question 3

Ectoderm

Answer 3

is the outer most layer of cells of the zygote.

Question 4

Epithelial tissue

Answer 4

is a protective layer that functions in the processes of absorption, excretion, secretion, and protection.

Question 5

Skeletal membrane

Answer 5

covers bone and cartilage.

Question 6

Periosteum

Answer 6

is a fibrous membrane that protects the bone and serves as an attachment of tendons and ligaments.

Question 7

Perichondrium

Answer 7

is the membrane that covers cartilage.

Question 8

Synovial membrane

Answer 8

is a connective tissue membrane lining cavities and capsules in and around joints that produce synovial joints.

Question 9

Skeletal muscles

Answer 9

are attached to bone by tendons and are responsible for moving the limbs, facial expression, speaking, and other voluntary movements.

Question 10

Voluntary muscles

Answer 10

are skeletal muscles that can be activated by conscious effort.

Question 11

Smooth muscle tissue

Answer 11

lacks striations and cannot be stimulated to contract by conscious effort.

Question 12

Cardiac muscle tissue

Answer 12

occurs only in the heart and is responsible foe pumping blood through the heart into the blood vessels.

Question 13

Nervous tissue

Answer 13

also known as nerve tissue, is composed of neurons; it initiates, controls, and coordinates the body’s adaptation to its surroundings.

Question 14

Neuron

Answer 14

is the structural unit of the nervous system.

Question 15

Interstitial fluid

Answer 15

is the substance found outside the cell walls and between the cells of the body that bathes the cells and transports nutrients and cellular wastes between the cells and the circulatory system. The fluid contains dissolved gasses, waste products of metabolism, and water. Lymph is derived from this fluid.

Question 16

Touch receptors

Answer 16

are sensory nerve endings in the skin that register basic types of sensations, such as heat, cold, pain, pressure, and touch.

Question 17

Epidermis

Answer 17

is the outermost layer of the skin.

Question 18

Dermis

Answer 18

is the deeper layer of the skin that extends to form the subcutaneous tissue.

Question 19

Subcutaneous tissue

Answer 19

is regarded as continuation of the dermis.