What muscle is found on the anterior thigh and is a hip flexor/knee extensor?
Ans: Rectus Femoris
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A substance that resists or minimizes changes in pH when an acid or base is added to a solution is ________.
Fill in the blank(s) with the appropriate word(s).
A motor nerve and all the fibers that it controls is called a:
What will be an ideal response?
The nervous system can directly affect the activities of the digestive system locally through the collection of neurons within the walls along the gastointestinal tract. How might the brain exert its regulation of digestion from a distance?
A. The brain detects the stretching of the small intestines when food enters, and regulates the progress of chyme from the stomach into the intestine. B. Emotional stress or depression may alter appetite patterns. C. Muscular control of peristalsis resulting in mixing of food with digestive enzymes and moving food along the digestive tract. D. The sight, smell and taste of food can activate saliva production, stomach activity and digestion before it reaches the stomach.
For coral reefs to form in tropical waters, it is necessary for the coral animals to live in symbiosis with:a
bacteria. b. parrot fish. c. zooxanthellae. d. sea urchins. e. kelp.