The placenta and membranes surrounding the embryo develop from the
A. morula.
B. blastocyst.
C. trophoblast.
D. inner cell mass.
E. blastocele.
C
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Match the vitamin with its function in the body.A. Required for the synthesis of clotting factors (prothrombin)B. Is a component of the coenzyme FADC. Promotes calcium and phosphorus useD. Involved in amino acid metabolismE. Primary constituent of coenzyme ARiboflavin
Fill in the blank(s) with the appropriate word(s).
Answer the following questions true (T) or false (F)
1. You should wait to read the textbook until you have heard the material presented in lecture or laboratory. 2. The smallest level of organization in the human body is the cellular level. 3. The endocrine system is responsible for generating heat.
Hormones that are secreted from the anterior pituitary are produced in:
A) the hypothalamus. B) the anterior pituitary. C) the posterior pituitary. D) the infundibulum. E) neurosecretory cells.
Which is not part of the conducting portion of the respiratory system?
A. Trachea B. Alveoli C. Nasal cavity D. Larynx E. Bronchi