The Digestive and Excretory Systems Answers

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1
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Which are structures of the excretory system? Select four options.kidneyspleenbladderesophagusureterurethra

A
kidney
B
spleen
C
bladder
D
esophagus
E
ureter
F
urethra
2
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Which occurs during digestion?

A
The mouth only allows for physical digestion.
B
The mouth only allows for chemical digestion.
C
Chemical digestion prepares the food for physical digestion.
D
Physical digestion prepares the food for chemical digestion.
3

Which is the proper order of structures that contact the substances removed from the blood?

A
nephron → urethra → bladder → ureter
B
urethra → ureter → bladder → nephron
C
nephron → ureter → bladder → urethra
D
urethra → bladder → ureter → nephron
5

Which shows the best connection between the digestive and excretory systems?

A
The digestive system fuels the cells and the excretory system rids the body of the cells’ waste.
B
The digestive system rids the body of the cells’ waste and the excretory system fuels the cells.
C
The digestive system does physical digestion while the excretory system carries out chemical digestion.
D
The digestive system carries out chemical digestion while the excretory system does physical digestion.
6

Which statement best describes the breakdown of food in the digestive system?

A
Carbohydrate digestion starts in the stomach and protein digestion starts in the stomach.
B
Carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.
C
Carbohydrate digestion starts in the esophagus and protein digestion starts in the small intestine.
D
Carbohydrate digestion starts in the small intestine and protein digestion starts in the esophagus.
7

The picture represents the excretory system.

Question illustration
A
nephron
B
ureter
C
bladder
D
urethra
8

nephronureterurethrabladder

A
nephron
B
ureter
C
urethra
D
bladder
11

nephronureterurethrabladder

A
nephron
B
ureter
C
urethra
D
bladder
12

Which are structures of the excretory system? Select four options.kidneyspleenbladderesophagusureterurethra

A
kidney
B
spleen
C
bladder
D
esophagus
E
ureter
F
urethra
13

Which best describes the physical and chemical digestion of food?

A
Physical and chemical digestion occur in the mouth; only chemical digestion occurs in the small intestine.
B
Physical and chemicall digestion occur in the small intestine; only chemical digestion occurs in the mouth.
C
Only physical digestion occurs in the stomach; chemical and physical digestion occur in the large intestine.
D
Only physical digestion occurs in the large intestine; physical and chemical digestion occur in the stomach.
14

Which shows the best connection between the digestive and excretory systems?

A
The digestive system fuels the cells and the excretory system rids the body of the cells’ waste.
B
The digestive system rids the body of the cells’ waste and the excretory system fuels the cells.
C
The digestive system does physical digestion while the excretory system carries out chemical digestion.
D
The digestive system carries out chemical digestion while the excretory system does physical digestion.
15

Once the teeth start grinding food, is produced to make food moist and slippery.

Answer not available
16

The diagram shows a nephron.

Question illustration
A
W
B
X
C
Y
D
Z
17

In which part of the digestive system does a chemical change of the food first occur?

A
mouth
B
esophagus
C
stomach
D
liver
18

Which might indicate to a doctor that there is an issue with someone’s body chemistry?

A
sugar in the blood
B
sugar in the urine
C
water in the urine
D
water in the blood
19

The digestive system and the excretory system both excrete waste.Which best describes how waste is secreted in each system?

A
The digestive system excretes a liquid waste and the excretory system excretes a solid waste.
B
Both systems excrete waste as a liquid.
C
Both systems excrete waste as a solid.
D
The digestive system excretes a solid waste and the excretory system excretes a liquid waste.
20

Which occurs during digestion?

A
The mouth only allows for physical digestion.
B
The mouth only allows for chemical digestion.
C
Chemical digestion prepares the food for physical digestion.
D
Physical digestion prepares the food for chemical digestion.

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