cortez52203 cortez52203

04-02-2021
Biology

contestada

Which of the following is a surface barrier to infection?

antigens
skin
antibodies
lymph nodes

Respuesta :

audreymart138 audreymart138

04-02-2021

Answer:

skin

Explanation:

Answer Link

Otras preguntas

Can someone help me with this

____ is a substance released by the pituitary gland late in pregnancy and causes the uterine contractions late in the birth process that are necessary to push o

Which investment is the riskiest, but has the potential to earn you the most money?

Through What means of transportation do scientists believe most human ancestors used to migrate from Africa to other regions? A. walking over land bridges B.bo

(HELP) Where does the amino acid chain get assembled?

Into a bucket, 3.705 liters of water flowed in 7.8 minutes. Enter the number of liters that flowed into the bucket each minute as a decimal in the box.

synonyms vs homonyms

PLEASE HELP! Melissa has $1,500.00 to invest for 5 years. She can choose either simple interest at 6.8% interest, or compound interest at 13.6% interest, compou

Sometimes it is necessary to _____ after installing a new software program and before using it the first time. A. restart your computer B. do scheduled ma

Find the x-intercepts for the parabola defined by the equation below. y = x2 - 9x + 18 A. (-3, 0) and (-6, 0) B. (0, -3) and (0, -6) C. (0, 3) and (0, 6) D