A) stratified squamous epithelial cells.
B) collagen fibers.
C) elastic fibers.
D) adipose tissue.
F) B) and D)
Correct Answer
verified
Correct Answer
verified
A) Blood vessels in the skin begin to dilate which increases blood flow to the surface of the skin.Environmental variables will help decrease the temperature of the blood.The nervous system also activates the sweat glands which help decrease temperature.
B) Blood vessels in the skin begin to constrict which increases blood flow to the surface of the skin.Environmental variables will help decrease the temperature of the blood.The nervous system also activates the sweat glands which help decrease temperature.
C) Blood vessels in the skin begin to dilate which increases blood flow to the surface of the skin.Environmental variables will help decrease the temperature of the blood.The heart rate decreases in an attempt to slow down blood flow.
D) Blood vessels in the skin begin to dilate which decreases blood flow to the surface of the skin.Environmental variables will help decrease the temperature of the blood.The heart rate increases in an attempt to slow down blood flow.
E) Blood vessels in the skin begin to dilate which increases blood flow to the surface of the skin.Environmental variables will help decrease the temperature of the blood.The nervous system will deactivate the sweat glands to help decrease body temperature.
G) C) and D)
Correct Answer
verified
Correct Answer
verified
A) is made of extremely small cells with one nucleus.
B) is not under voluntary control.
C) is found in the walls of the intestines and stomach.
D) has bands of actin and myosin filaments perpendicular to the length of the cell that produce contractions.
F) A) and D)
Correct Answer
verified
Correct Answer
verified
A) mammals - hair and nails
B) amphibians - epidermal scales
C) fishes - bony scales
D) birds - feathers
F) B) and C)
Correct Answer
verified
Correct Answer
verified
A) protecting underlying body parts from physical trauma
B) preventing water loss
C) thermoregulation
D) monitor touch,pressure,temperature,and pain
E) All of the above are a function of the skin.
G) B) and C)
Correct Answer
verified
Correct Answer
verified
A) pili secreted by arrectors.
B) lymph secreted by lymphatic ducts.
C) sebum secreted by sweat glands.
D) sebum secreted by sebaceous glands.
E) salty sweat secreted by sweat glands.
G) A) and C)
Correct Answer
verified
Correct Answer
verified
A) squamous epithelium,cuboidal epithelium,smooth muscle and neural tissues
B) pseudostratified ciliated epithelium,cuboidal epithelium,smooth muscle and neural tissues
C) squamous epithelium,cuboidal epithelium,skeletal muscle and neural tissues
D) squamous epithelium,cuboidal epithelium,fibrocartilage and neural tissues
F) B) and D)
Correct Answer
verified
Correct Answer
verified
A) Cells in the nervous system that conduct electrical impulses are called neurons.
B) Neuroglia support and protect neurons.
C) The dendrites carry electrical impulses away from the cell body of the neuron.
D) Nerve fibers are long axons covered by a myelin sheath.
E) Neuroglia provide neurons with nutrients and keep them free of cellular debris.
G) C) and E)
Correct Answer
verified
Correct Answer
verified
Showing 41 - 48 of 48
Related Exams