The bone cells in the Haversian system are found in little spaces called:
a. central canal
b. canaliculi
c. lacunae
d. none of the above
c. lacunae
You might also like to view...
The sympathetic postganglionic axons from the superior cervical ganglion innervate
a: Sweat glands in the head b: Sweat glands in the palms c: Smooth muscle of blood vessels in the head d: Smooth muscles of blood vessels in the antebrachial region e: Superior tarsal muscle of the eye f: Submandibular salivary gland A. a, c, e B. b, d, f C. a, c, f D. d, e, f E. b, d
Which statement about the reaction H2 + Cl2 ? 2HCl is correct?
A) H2 and Cl2 are the products. B) HCl is the product. C) One molecule of hydrogen contains one atom. D) One molecule of chlorine contains one atom. E) The reaction is unbalanced.
The prefix hypo- means ________, whereas hyper- means ________.
A. front; back B. clear; dark C. below; above D. inside; outside E. right; left
The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "B"?
A. major site of ATP synthesis when oxygen is available B. contains digestive enzymes C. site of protein synthesis D. directs cellular activities, contains DNA E. outer boundary of cell, controls entry and exit of substances