Endocrine glands release their hormones into the blood via a duct system.
Answer the following statement true (T) or false (F)
False
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The plane that separates the abdominal and the pelvic cavities is
A) the mediastinum. B) sagittal on the brachium. C) transverse at the hips. D) midsagittal on the trunk. E) superior to the thorax.
The epidermal ridges and dermal ________ increase the area of contact between the epidermis and dermis to help connect these layers.
Fill in the blank(s) with the appropriate word(s).
The hard substance covering the crown of a tooth is called ________.
Fill in the blank(s) with the appropriate word(s).
After CO2 is produced by tissues, in what form is most of that carbon transported to the lungs for removal from the body?
A. as dissolved CO2 B. bound to hemoglobin C. as H2CO3 D. as dissolved HCO3- E. as carbonic anhydrase