What is a gland?
What will be an ideal response?
The book defines glands as "either individual cells or multicellular organs composed predominantly of epithelial tissue. They secrete substances either for use elsewhere in the body or for elimination from the body. "
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After the precapillary sphincter, blood enters a(n)
A) venule. B) anastomosis. C) vein. D) arteriole. E) thoroughfare channel.
Which of the following hormones is released from the hypothalamus?
a. CRH b. TSH c. FSH d. LH e. GH
Which of the following is not true of William Harvey?
A. He experimentally demonstrated that blood returns to the heart after passing through the organs. B. He measured cardiac output in a variety of animals. C. He observed capillaries under the microscope. D. He believed blood orbits the body similar to the way planets orbit the sun. E. He wrote about his work in the 1600s.
The heart and blood vessels are the primary organs of the ________ system
A) lymphatic B) integumentary C) cardiovascular D) muscular