Welcome to your Grade 10 Biology chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the removal of food waste from the body called?
2.
Which process involves metabolic wastes being expelled in both plants and animals?
3.
Where does the chemical digestion of carbohydrates (starch) begin?
4.
What are the wave-like smooth muscle contractions that push food through the esophagus called?
5.
Which enzyme in the oral cavity initiates the breakdown of polysaccharides?
6.
What is the approximate length of the adult human digestive tract?
7.
Which organ stores and secretes concentrated bile from the liver?
8.
The heart's layers include the epicardium, endocardium, and which other layer?
9.
Which chamber of the heart pumps blood to the right ventricle?
10.
What occurs when the heart rate is less than 60 beats per minute?
11.
Which organs are bean-shaped and located directly below the liver?
12.
Approximately what percentage of oxygen taken by the lungs is consumed by the kidneys?
13.
What is the approximate length of the ureters?
14.
Which urologic organ differs significantly in length between males and females?
15.
What is the function of the enzyme erepsin in the small intestine?
16.
Which substance in the stomach converts pepsinogen to pepsin and kills microbes?
17.
What is defined as an abnormal heart rhythm?
18.
Which heart rate is defined as tachycardia?
19.
The filtrate that comes out of the kidneys is called:
20.
Which organ should be thought of as a plasma regulator rather than just a urine maker?
21.
What is the role of mucus in the stomach?
22.
Which accessory organ produces lipase to break down fats?
23.
How is urine driven through the ureters to the bladder?
24.
Which organ is shorter in females (4 cm) than in males (20 cm)?
25.
What occurs when the heart does not pump blood as efficiently as it should?
26.
Which layer of the digestive tract wall is described in the textbook?
27.
Which organ emulsifies fat?
28.
The circulatory system distributes what throughout the body?
29.
Which valves are located in the heart?
30.
What is the first process in the body's travel of food?
