The __________ secretes several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells (white blood cells).
A. thyroid
B. thymus
C. adrenal gland
D. spleen
E. parathyroid
B. thymus
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Which of these statements about sexually transmitted infections is false?
A) Genital herpes is caused by a virus that may cause intermittent lesions. B) Chlamydia is caused by bacteria that can often be asymptomatic or bring on a wide variety of symptoms. C) Syphilis is caused by a virus that may lead to death if untreated. D) Gonorrhea is caused by a bacterium that can bring on painful discharges in males.
The plural of stimulus is:
A) stimulum B) stimulae C) stimula D) stimuli
Is a scientific principle taken as absolutely true? Explain your answer
What will be an ideal response?
The gap between the axon terminal of a motor neuron and the sarcolemma of a skeletal muscle cell is called the ________
A) motor unit B) sarcomere C) neuromuscular junction D) synaptic cleft E) cross bridge