The tissue that detects changes and coordinates body functions is the ________ tissue.
A. muscle
B. connective
C. nerve
D. epithelial
Answer: C
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The blood-brain barrier protects the brain from harmful substances in the blood, but it also protects the brain from potentially therapeutic chemicals that may reduce the size of brain tumors by killing cancer cells, alleviate depression, and aid in patient recovery from stroke or spinal cord injury. Two methods are currently being rigorously researched to get these helpful chemicals past the
blood-brain barrier. The two methods are termed "molecular Trojan Horse" and osmotic "blood-brain barrier disruption." Based on their names, hypothesize how these methods might allow chemicals to pass through the blood-brain barrier. What will be an ideal response?
Which of the following is not a function of the liver?
A. manufacture bile B. metabolize carbohydrates, lipids, and proteins C. detoxify drugs D. store specific vitamins and minerals E. a, b, c, and d are all functions of the liver.
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which epithelial tissue?
A) simple columnar B) simple squamous C) transitional D) stratified squamous
During the BIOPAC activity, why did the subject's heart rate increase after exercise?
A) The body needs to increase its number of red blood cells. B) The body needs to have stronger muscle contractions. C) The body has a greater demand for oxygen. D) The body has a lower demand for nutrients.