Certain organs and tissues use ________ to send messages to target cells.
A. enzymes
B. hormones
C. lacteals
D. bonds
Answer: B
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Which of the following practices is associated with an increased risk of cancer?
A. Consuming a diet rich in fruits and vegetables B. Being physically active C. Consuming a diet high in processed meats D. Consuming a diet high in fiber
Jill is 32 years old, and after years of a mostly sedentary life is determined to get into shape. She decides to take up jogging but cannot decide whether to jog at a moderate pace or very fast pace, and has no idea how long to continue. Jill also wants to learn to monitor her heart rate and pulse. She was a gymnast in high school but can no longer touch her toes. Suggest how Jill should get
started by answering these questions.Which component of fitness has Jill lost if she cannot touch her toes? a. cardiovascular endurance b. strength c. flexibility d. muscle endurance e. muscle-stimulus reaction
The need for which vitamin increases with age?
A) Vitamin B1 B) Vitamin B2 C) Vitamin C D) Vitamin D
Which of the following statements is true?
A. To remain healthy, your fasting blood glucose level should be between 70 and 100 mg/dl. B. A healthy person's hemoglobin A1c level is greater than 7.5%. C. People who have excess body fat are more likely to develop type 1 diabetes than type 2 diabetes. D. People who have diabetes should limit their intake of soluble fiber.