by: Admin_LouisPosted on: The structure labelled 5 is the The structure labelled 5 is the A sweat gland B sebaceous gland C blood vessel D nerve fibreAnswer is A Share this:TwitterFacebookLike this:Like Loading... Related posts:In the digestive system, absorption of nutrient into the blood takes place in the part labelledA tissue can best be defined asThe structure labelled Y is theGaseous exchange in Aves occurs in the