1. Describe how blood flows through the heart.

2. What controls heartbeat?

3. How do arteries differ from veins?

4. What is blood pressure? What is hypertension?

5. Identify three types of blood cells and their functions.

6. Outline the pathway of a breath of air from the nose to the alveoli.

7. Describe how pulmonary gas exchange occurs.

8. Identify three diseases of the respiratory system, and state what triggers or causes each disease.

9. What organs make up the gastrointestinal tract? What are the accessory organs of digestion?

10. Describe peristalsis and its role in digestion.

11. Define mechanical and chemical digestion.

12. Where are most nutrients absorbed?

13. What role do villi play in absorption?

14. How do bacteria in the large intestine help keep us healthy?

15. Describe two diseases of the digestive system.

 

1. List the organs of the gastrointestinal tract in order from the mouth to the anus:

2. What are the functions of these accessory organs of the digestive system?

3. Where are these digestive fluids produced and what are their functions?

4. Which substance is broken down by each enzyme?

5. What is the importance of the liver after nutrients are absorbed?

EAP HW 22 – The Digestive System

Define digestive tract

Define accessory organs

Provide the 6 functions of the digestive system

Define ingestion

Define mechanical processing

Define digestion

Define secretion

Define absorption

Define excretion

Provide the 4 layers of the digestive tract AND what types of tissue they are composed of

Define peristalsis

Provide the 3 functions of the tongue

Describe how the ingredients of saliva help breakdown food

Define salivary amylase

Provide the 4 types of teeth found in the human mouth AND their functions

Provide the 4 steps of the swallowing process

Define esophagitis

Provide the 2 types of cells found in gastric glands AND their functions

Define pepsin

Define cephalic phase

Define gastric phase

Define intestinal phase

Does absorption occur in the stomach? Explain.

Define circular folds

Define villi

Define microvilli

Define brush border

What organ is the above picture from?

Most of the important digestive processes are completed in the _________________________.

Define carbohydrases

Define lipases

Define nucleases

Define proteases

Provide the 3 general functional roles of the liver

Provide the function of bile salts

Define emulsification

Provide the function of the gall bladder

Define gallstones

Provide the standard screening test for colorectal cancer

Define diverticulosis

Define diarrhea and what causes it?

Define constipation, what causes it, and how do you prevent it?

Where does carbohydrate digestion begin?

Where does lipid digestion begin?

Where does protein digestion begin?

Define lactose intolerance

Answer each question. All assignments must be uploaded in MSWord.

1. Compare food security and food insecurity and identify thefactors that contribute to each.

2. Discuss the effects of hunger and malnutrition and theirimpact on children.

3. Describe U.S. government programs designed to increase foodsecurity.

4. Describe organic food production, its regulation, and itspotential benefits.

5. Discuss the current and potential uses of geneticallymodified foods, along with concerns related to their safety.

6. Explain how food preservation and processing methods affectfood availability.

7. Describe the role of food additives in the food supply, alongwith how they are regulated.

8. List the major causes of foodborne and waterborne illnessesin the U.S. and describe how consumers can reduce the risk of theseillnesses.

9. Describe the common environmental contaminants (heavy metals,industrial chemicals, pesticides, and antibiotics), their potentialharmful effects, and how to reduce exposure to them. 10. Outlinethe rolew played by the gastrointestinal tract and the relatedaccessory organs (liver, gallbladder, and pancreas) in digestionand absorption.

11. Describe how foods are moved along the digestive trace.

12. Explain the 4 main types of absorption, and where they occuralong the digestive tract.

13. Identify the key enzymes and hormones involved in digestionand absorption and their functions.

14. Identify major nutrition-related gastrointestinal diseasesand disorders and typical approaches to prevention andtreatment.

15. Explain why diarrhea represents a serious health challengeto infants and young children around the world.