★ Human Body Quiz
During cold weather or when frightened, hair on our skin stand. why?
A. pilimotor muscles contract and pull the base of the hairs
B. skin contracts
C. hairs becomes hard and appears standing
D. the cold weather makes the hairs elongate and stand
Select your answer:
Topics:
Diet Vaccines Biotherapeutics & Cellular Meat HCMA - Hematology Disease, Illness and Sickness Circulatory, Artery, Vein - basics Bacterial Cell Structure Animal Genetics and Nutrition Psychology Hospital Departments Kidney - Loop of Henl� Oncology Homeostasis and Disease Microbes and Infectious Disease Microrganisms VascularOther quiz:
Microbiology › ViewThe most numerous WBCs that have multilobed nuclei and are very phagocytic are ______.
A. lymphocytes
B. neutrophils
C. eosinophils
D. monocytes
E. basophils
Microbiology › View
Which of the following is not a factor that weakens host defenses against infections?
A. Strong, healthy body
B. Chemotherapy
C. Physical and mental stress
D. Old Age