NSC170: Chapter 3

What is the role of blood and lymph?

deliver needed materials to all the body's cells and carry waste materials away

What do the body's cells need to remain healthy and do their work?

energy, oxygen, and nutrients

What may help alleviate the symptoms of Irritable Bowel Syndrome (IBS)?

exercise, antibiotics, and antispasmodic drugs

Carbohydrates can be stored in large quantities in the muscle and liver cells.

false - carbohydrates can be stored in limited quantities in the muscle and liver cells.

The digestive system comprises of only a few major organs in the body, such as the stomach and small intestines.

false - the digestive system comprises of several organs in the body, such as the stomach, small intestines, mouth, liver, esophagus, gallbladder, & colon

Which statement most accurately reflects the professional perspective on the benefits of drinking wine?

far greater benefits come from engaging in regular physical activity and maintaining a healthy body weight

______ direct the making of each cell's protein machinery, including enzymes.

genes

All of these are examples of the importance of hormones for nutrition ______.

helping regulate the digestive system, signaling to the brain about body fatness, helping regulate satiety and hunger, & signaling to the body during times of stress, which influences hunger

Which statement about fat is true?

it is not a required part of every meal since it is stored abundantly

The ______ adjust the blood's composition in response to the body's needs, disposing of everyday wastes and helping remove toxins?

kidneys

The ______ system carries waste away from the cells of the body, and the ______ system ensures that the fluid in the body circulates through all of the tissues of the body.

lymphatic, cardiovascular

______ help(s) increase absorption in the intestines.

microvilli

Where does the body store limited amounts of carbohydrate as glycogen?

muscle & liver cells

Which statement best defines peristalsis?

peristalsis moves the digestive tract contents through the esophagus, stomach, and small intestine

The nervous system & hormonal system do all of the following:

regulate body processes, respond to the need for food, & govern the act of eating and regulate digestion

Which digestive organs release digestive juices that perform the complex chemical process of digestion?

salivary glands, stomach, & the pancreas

Which statement about the digestive system is true?

the digestive system feeds the rest of the body and is itself sensitive to malnutrition

What role do organs play in the body?

they work together in body systems

Which of the following is NOT associated with moderate drinking?

using alcohol when facing problems or decisions

The small intestine is lined with thousands of folds covered with ______, which make the surface area for absorbing nutrients much greater.

villi