14. Which of the following is not the function of the integumentary system? A. It acts as barrier from the outside environment.
B. It acts as a receptor for touch, pressure, pain, heat and cold.
C. It carries away carbon dioxide and other waste from the body.
D. It protects the body from dehydration and abrupt changes in temperature. 15. Which is the outermost layer of the skin? A. dermis B. epidermis C. glands D. subcutaneous layer
16. Which part of the digestive system cuts the food into smaller pieces to proceed tothe next part? A. esophagus B. intestine C. mouthD. stomach
17. Where is the food finally digested into soluble substances? A. large intestine B. rectum C. small intestine D. stomach
18. Which layer of the skin prevents excessive water loss from the body, and it is the outer layer of the skin? A. dermis B. epidermis C. hypodermis D. sweat glands
19. How does a merocrine (eccrine) gland help the body functioning? A. It acts as an insulator. B. It produces pancreatic juice. C. It breaks up food particles to produce energy. D. It secretes sweat to regulate body temperature.
20. Which glands secrete sweat to regulate body temperature? A. apocrine sweat gland B. digestive gland C. merocrine gland D. sebaceous gland 21. What is the primary function of the respiratory system? A. breathing B. circulation C. digestion D. movement 22. What human body system is responsible for the distribution of food nutrients and oxygen throughout the body? A. circulatory B. nervous C. respiratory D. skeletal
23. What do you call the tube-like highways that serve as the passageways of blood? A. blood vesselsB. platelets C. red blood cell D. white blood cell 24. What is a circulatory system? A. The body's breathing system B. The body's system of nerves C. The body's food processing system D. The body's blood-transporting system
25. Where does the exchange of gases takes place? A. alveoli B. bronchi C. nostrils D. trachea
26. What happens during inhalation? A. Air rushes out of the lungs.​