Matching
A) Bradycardia
B) Cardiac reserve
C) Tachycardia
D) Vagal tone
18) Heart rate at rest under both autonomic divisions signaling.
19) An abnormally fast heart rate.
20) An abnormally slow heart rate.
21) Difference between resting and maximal cardiac output.
18) D 19) C 20) A 21) B
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The level of testosterone in the blood is increased by
A. the hypothalamus stimulating the testes to release LH. B. LH causing the interstitial cells to release testosterone. C. a high level of testosterone stimulating the testes to release more LH. D. a high level of testosterone stimulating the hypothalamus.
The type of organic molecule that can replicate is a
A) nucleic acid. B) lipid. C) protein. D) carbohydrate.
Complete the Concept Map to trace the pathway of blood through the pulmonary and systemic circuits, and state the importance and functions of these circuits.
Which of the following is not one of the three types of cartilage?
A. Fibroelastic cartilage connective tissue B. Hyaline cartilage connective tissue C. Elastic cartilage connective tissue D. Fibrocartilage connective tissue