In humans, only ________ cells have flagella.
A) sperm
B) intestine lining
C) uterine tube lining
D) stomach lining
E) respiratory tract lining
A) sperm
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The thymus
a. is the site of maturational processing for T lymphocytes b. secretes a collection of hormones important in maintaining the T-cell lineage c. gradually atrophies and becomes less important as an individual matures d. is a lymphoid organ e. has all of the above characteristics
What is a malignant neoplasm derived from epithelial tissue?
A. malignant B. sarcoma C. benign D. carcinoma E. metastasis
What is the initial factor that determines whether urine will be produced?
activation absorption secretion filtration
The nose serves all of the following functions EXCEPT ________
A) cleansing the air B) warming and humidifying the air C) as a passageway for air movement D) as the direct initiator of the cough reflex