AnswersBiology - SC3209 ICMuscle Structure and Function

The Digestive and Excretory Systems Answers

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1
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The picture represents the respiratory system.

Question illustration
A
the pharynx
B
the larynx
C
the trachea
D
the bronchus
2
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Which statements describe the movement of blood through the heart? Select two options. Blood from the veins enters the ventricles.Atria and ventricles contract at the same time.Atria push blood into the ventricles.Valves allow for two-way blood flow.Ventricles push blood out of the heart.

A
Blood from the veins enters the ventricles.
B
Atria and ventricles contract at the same time.
C
Atria push blood into the ventricles.
D
Valves allow for two-way blood flow.
E
Ventricles push blood out of the heart.
3

Which best describes carbon dioxide’s path out of the body?

A
nose → pharynx → larynx → trachea → bronchus → alveoli
B
alveoli → trachea → bronchus → larynx → pharynx → nose
C
alveoli → bronchus → trachea → larynx → pharynx → nose
D
nose → larynx → pharynx → trachea → bronchus → alveoli
4

The is the fluid component of blood.

Answer not available
5

Which structure is also called the windpipe?

A
the pharynx
B
the larynx
C
the trachea
D
the bronchus
6

AtriaVentriclesValvesCapillaries

A
Atria
B
Ventricles
C
Valves
D
Capillaries
8

Which is located inside the lung?

A
the larynx
B
the pharynx
C
the trachea
D
the alveoli
10

Gerald is lightheaded and tired from a lack of oxygen in his tissues.What is most likely the reason he feels this way?

A
His plasma level is high.
B
His white blood cell count is high.
C
His platelet count is low.
D
His red blood cell count is low.
11

Which statement explains blood pressure?

A
Blood pressure is highest in the veins near the heart.
B
Blood pressure is highest in the arteries near the heart.
C
Blood pressure is highest in the veins farthest away from the heart.
D
Blood pressure is highest in the arteries farthest away from the heart.
12

Cells need oxygen to make energy. Oxygen-rich blood is transported to tissues. When the oxygen is dropped off, it needs to move through structures that are small and thin.Which vessels allow for oxygen movement into the tissues?

A
arteries
B
veins
C
heart
D
capillaries
13

Which gases are carried by red blood cells? Select two options.oxygen heliumcarbon dioxide nitrogen hydrogen

A
oxygen
B
helium
C
carbon dioxide
D
nitrogen
E
hydrogen

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