This figure shows the spinal cord and spinal nerves. What structure does number 2 indicate?
A. Dura mater
B. Filum terminale
C. Cauda equina
D. Conus medullaris
E. Posterior rootlets
D
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Which type(s) of muscle tissue has/have intercalated disks?
A. Smooth B. Cardiac C. Skeletal D. Both cardiac and skeletal have intercalated discs.
An important component of the lamina propria in the upper respiratory system is
A) sweat glands. B) ceruminous glands. C) mucus glands. D) serous glands. E) smooth muscle cells.
Answer the following statements true (T) or false (F)
1. Because an organ must contain two or more types of tissue, it follows that a system must contain two or more types of tissue. 2. Iron and potassium are two important minerals stored in bone. 3. The muscles found in blood vessel walls, the stomach, and the small intestine are smooth muscle. 4. The nervous system can respond to stimuli such as light and heat. 5. There are three endocrine glands in the skull.
The most important function of the stomach is to begin protein digestion
Indicate whether the statement is true or false