Which of the following is true of leukocytes? A. They are very similar in appearance and function as red blood cells. B. Leukocytes are smaller than and more numerous than red blood cells. C. Like red blood cells, mature leukocytes also lack a nucleus and other intracellular organelles. D. Leukocytes always remain in circulation throughout the body. E. The leukocyte is a major component of the body’s defenses against disease.
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Biology, 21.06.2019 17:30
Which organelle releases chemicals that break down large food particles into smaller ones?
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How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
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What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen
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Biology, 22.06.2019 17:50
To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system
Answers: 2
Which of the following is true of leukocytes? A. They are very similar in appearance and function as...
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