A cell that engulfs and digests debris and invading microorganisms is known as ___________.

The word "squirms" in the fourth paragraph probably means ______. A: moves. B: squirts. C: wriggles. D: digests.

An enzyme that digests starch into disaccharides and it is usually secreted by salivary glands and by the pancreas is _______

中国大学MOOC: A cell that engulfs and digests debris and invading microorganisms is known as phagocyte.

A cell that engulfs and digests debris and invading microorganisms is known as phagocyte. A: 正确 B: 错误

She couldn't [u]      [/u] food properly. A: digests B: digest C: digested

The cell in the testis that engulfs and digests the residual cytoplasm of sperm is A: spermatogonia B: interstitial cells C: Sertoli cells D: primary spermatocyts

翻译听力原文（） A: The apple is one of the fruits that can lower your blood sugar B: Apples are sugar-containing fruits that may raise your blood sugar C: Although it is sugar-containing, the apple is a kind of healthy fruits D: For those who are on a diet, an apple a day is enough because it digests slowly