AnswersFL-2000310-Biology 1 Sem 2The Circulatory and Respiratory Systems

The Circulatory and Respiratory Systems Answers

10 verified answers1 views
3

Which is located inside the lung?

A
the larynx
B
the pharynx
C
the trachea
D
the alveoli
4

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.
6

The picture represents the respiratory system.

Question illustration
A
the pharynx
B
the larynx
C
the trachea
D
the bronchus
7

AtriaVentriclesValvesCapillaries

A
Atria
B
Ventricles
C
Valves
D
Capillaries
9

Which structure is also called the windpipe?

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

The is the fluid component of blood.

Answer not available
11

Which gases are carried by red blood cells? Select two options.

A
oxygen
B
helium
C
carbon dioxide
D
nitrogen
E
hydrogen
12

Which is the next structure to contact air after it passes from the nose to the nasal cavity?

A
the pharynx
B
the larynx
C
the bronchus
D
the trachea
13

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
14

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.
15

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
16

At the site of gas exchange in the lungs, where does the oxygen move?

A
O2 moves from the alveoli to the white blood cells.
B
O2 moves from the white blood cells to the alveoli.
C
O2 moves from the alveoli to the red blood cells.
D
O2 moves from the red blood cells to the alveoli.
17

Which structure is also called the windpipe?

A
the pharynx
B
the larynx
C
the trachea
D
the bronchus
18

Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?

A
arteries
B
atria
C
capillaries
D
veins

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