Which of the following is not true regarding the vertebral canal?
A) It encloses the spinal cord.
B) It is formed by vertebral foramina of successive vertebrae.
C) The anterior border is the vertebral body.
D) It is found only in cervical and thoracic vertebrae.
E) The posterior border is the vertebral arch.
D
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Motile cilia move fluids across a cell's surface, while a flagellum
A) cools a cell. B) is not motile. C) fastens one cell to another. D) propels a cell through fluid. E) detects environmental stimuli.
Answer the following statements true (T) or false (F)
1. The terms integument, skin, and cutaneous membrane refer to the same structure. 2. Serous membranes are made up of columnar epithelial tissue attached to a basement membrane. 3. Pleurisy and peritonitis are both inflammations of a serous membrane. 4. Mucus membranes are all made of squamous epithelial tissue attached to a basement membrane. 5. The eyelid is an example of a mucocutaneous junction.
The cervix is ___________.
A) homologous to the penis and the neck of the uterus. B) homologous to the penis, the neck of the uterus, and the sensory tissue of the vagina. C) the neck of the uterus only. D) homologous to the penis only. E) the sensory tissue of the vagina only.
During biochemical processing, only about 50% of the energy in nutrient molecules is transferred to ATP; the other 50% of nutrient energy is immediately lost as heat
a. True b. False Indicate whether the statement is true or false