The outer layer of skin is called the__________.
epidermis
dermis
glands
cartilage
Which type of muscle is found only in the walls of the heart?
cardiac
smooth
skeletal
bicep
The walls of the stomach are lined with which type of muscle?
smooth
cardiac
skeletal
filaments
Tough connective tissues that connect skeletal muscles to bones are called _________.
tendons
fibers
stretchies
cartilage
What type of exercise is best for exercising cardiac muscle and increase muscle endurance?
aerobic
stretching
anaerobic
none
Which of these structures do NOT make up the integumentary system?
patella
nails
hair
skin
Which of these is NOT a function of the skin?
aids in digestion
prevents loss of water from the body
keeps out microorganisms
releases sweat to maintain a constant body temperature
Which of these structures is found in the epidermis?
melanocytes
nerve endings
blood vessels
hair follicles
What is caused by a sebaceous glands secreting too much sebum leading to a bacterial infection?
acne
indigestion
osteoporosis
blisters
What are the pigment producing cells located in the epidermis?
melanocytes
keratin
hair follicles
sebaceous glands
What is the tough protein found in hair, fingernails, and toenails?
keratin
melanin
cartilage
tendons
What function does the hair in the eyebrows and eyelashes have?
keeps water and dust out of the eyes
gives shape to the face and eyes
traps air so heat can’t escape
there is no function
Which of these muscles have voluntary contractions?
skeletal
cardiac
smooth