The first line of defense involves which structure(s)?
O T-cells
O skin
O blood
OB-cells
Plz help me and don’t just say you got I right

Which word is an ANTONYM for the word gaunt?The mountain climbers returned from their long, treacherous journey looking gaunt and exhausted.desolateplumpscrawnyenergetic what value of d makes the equation 5d-3=2d+6 true?I NEED HELP WITH THIS ASAP A farmer had 200 rows oh his field, He plowed 1/4 of them. How many rows did he plow? (Write the explanation and answer) A tank with water is shown. What is the volume of the empty space in thetank?* use the information given to find the value of n in each of the following sets of number How did the location of birth of the Renaissance allow it to spread to all of Europe? which expression has a vaule of 2/3? Hi this picture I need a picture description because I have to take it to school tomorrow and I don't know English very well (could anyone help? prove that P(AB)=P(A)P(B) for all sets A,B. I need help with this question What is the value of ? x/10 = 2 O A. 5 O B. 8 O C. 12 OD. 20 HELP ASAP FAST HELP PLEASE (WORTH A LOT OF POINTSIf x = -12 and y = -3, thena) 21b) 13c) 9d) 1 Linda wants to change the color of the SmartArt that she has used in her spreadsheet. To do so, she clicks on the shape in the SmartArt graphic. She then clicks on the arrow next to Shape Fill under Drawing Tools, on the Format tab, in the Shape Styles group. Linda then selects an option from the menu that appears, and under the Colors Dialog box and Standard, she chooses the color she wants the SmartArt to be and clicks OK. What can the option that she selected from the menu under Shape Fill be Which is not an example of aparasite/host relationship?A flea on a dogA tick on a horseA toad on a lily padA barnacle on a whale Three solutions are mixed together to form a single solution; in the final solution, there are 0.2 mol Pb(CH3COO)2, 0.1 mol Na2S, and 0.1 mol LiCl present. find preciptate What is one change in our society you think activists should be fighting for today? Kate has a coin collection. She keeps 7 of the coins in a box which is only 5% of her entire collection. Calculate the percent composition of Ca3P2 What are some other ways we can honor soldiers on Memorial Day? Share your ideas and explain why you think these would be great ways to remember on Memorial Day. My brain is not working today. Please help me.