Biology, 30.08.2019 10:00 morgantisch25
Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses?
a. body temperature
b. macrophages
c. skin cells
d. vitamins
Answers: 2
Biology, 21.06.2019 20:00, Xlhoncho45
Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.
Answers: 1
Biology, 22.06.2019 04:30, Gearyjames8
What is used to keep track of the gamates and possible offsprings combination
Answers: 2
Biology, 22.06.2019 10:00, AM28
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Which of these is the human body's first line of defense against invading pathogens such as bacteria...
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