Question

Which system covers the external surface of the body and manufactures vitamin D:

A) endocrine system
B) integumentary system
C) nervous system
D) lymphatic system

Answer 1

Answer:

B the integumentary system

Explanation:

Largest body system and comprises the skin and the appendages which acts to protect the body from a variety of different kinds of damage's Examples such a as lack of water or abrasion from the outside.This system includes hair,scales,feathers,or even nails.this system may help keep your body afloat and regulate temperature.