[tex]}question[/tex]
[tex]}nonsens report[/tex]


I. Write the letter of the correct answer before the number.
1. In which part of the digestive system does digestion start? a. esophagus b. mouth c. stomach d. large intestine
2. It is the main organ of the integumentary system. a. pores b. skin c. hair and nails d. nerves 3. It is a substance that gives color to the skin. a. dermis b. melanin c. epidermis d. pores
4. The longest bone in the body is a. patella b. femur c. humerus d. tibia
5. Why is the skeletal system important? a. It protects the internal organs in the body. b. It stores water and fat. C. It helps dispose waste materials. d. It acts as a receptor for touch, pain, heat and cold.​