Which of the following statements best describes relaxin?
A. Relaxin is produced by the testes and stimulates secretion of the reproductive glands.
B. Relaxin is produced by the ovaries and increases the flexibility of connective tissue.
C. Relaxin is produced by the adrenal cortex and maintains normal metabolism.
D. Relaxin is produced by the parathyroid glands and triggers the release of calcium from the bones.
Answer: B
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Indicate whether the statement is true or false
Which type of lysosome contains undigested wastes?
A. Residual body B. Primary lysosome C. Secondary lysosome D. Tertiary body
Which statement is true about neuroglial cells?
A) They transmit electrical signals to other structures via axons. B) They secrete neurotransmitters into the neuromuscular junction. C) They are only found in the brain, spinal cord, and nerves. D) Neurons support and protect the neuroglial cells.
Which hormones are collectively called the gonadotropins?
A. Follicle-stimulating hormone and growth hormone B. Follicle-stimulating hormone and luteinizing hormone C. Prolactin and oxytocin D. Antidiuretic hormone and oxytocin E. Thyroid-stimulating hormone and adrenocorticotropic hormone