The involuntary muscle contractions that move food through the GI tract

The breakdown of food into smaller pieces

The absorption of nutrients into the bloodstream

The process of breaking food down chemically

Unit 5: Absorption & Excretion

Unit 5: Absorption & Excretion | Quizalize

30 questions

What is the primary function of the digestive system?

30 sec

Which of the following processes occurs in the mouth?

30 sec

What is peristalsis?

30 sec

Which enzyme starts the digestion of starches?

30 sec

Which layer of the gastrointestinal tract is responsible for nutrient absorption?

30 sec

What is the role of bile in digestion?

30 sec

Where does the majority of nutrient absorption occur in the digestive system?

30 sec

What is the term for the elimination of indigestible substances from the body?

30 sec

Which hormone is produced by G cells in the stomach?

30 sec

What role do salivary glands play in digestion?

30 sec

What are nutrients primarily used for in the body?

30 sec

Which of the following is NOT considered a macronutrient?

30 sec

How many essential nutrients does the body require from the diet?

30 sec

What is the main role of carbohydrates in the body?

30 sec

Which enzyme is involved in the digestion of carbohydrates?

30 sec

What percentage of total calorie intake should come from fats according to the video?

30 sec

What is the primary function of vitamins in the body?

30 sec

Which mineral is a key component of hemoglobin?

30 sec

In which state does the body primarily focus on storing nutrients?

30 sec

What is the Basal Metabolic Rate (BMR)?

30 sec

What is the primary function of the urinary system?

30 sec

Which organ is often referred to as the 'ultimate filter' in the urinary system?

30 sec

What is the main composition of urine?

30 sec

What are the structural and functional units of the kidneys?

30 sec

What process follows glomerular filtration in urine formation?

30 sec

Which hormone helps the body retain water to maintain blood pressure?

30 sec

What is the function of the ureters?

30 sec

What is the maximum capacity of a full bladder?

30 sec

Why are females more likely to get urinary tract infections than males?

30 sec

What part of the nephron is responsible for filtering blood?

30 sec

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