Answers2026 Summer 305 CR_2002040-MJ Comprehensive Science 1The Circulatory and Respiratory Systems

The Circulatory and Respiratory Systems Answers

0 verified answers1 views
1
Free Preview

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.
2
Free Preview

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.
3

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
4

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
5

Which is located inside the lung?

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

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.
7

The is the fluid component of blood.

Answer not available
8

The picture represents the respiratory system.

Question illustration
A
the pharynx
B
the larynx
C
the trachea
D
the bronchus
9

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
10

Kristen is running a half marathon. By her tenth minute of running, her breathing rate has increased from her resting rate.Which statement best describes how her tissues are responding to her running?

A
They need more oxygen to function, so gas exchange needs to decrease.
B
They need more oxygen to function, so gas exchange needs to increase.
C
They need more carbon dioxide to function, so gas exchange needs to increase.
D
They need more carbon dioxide to function, so gas exchange needs to decrease.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

The Circulatory and Respiratory Systems

Quiz
10 verified answers

The Circulatory and Respiratory Systems

Quiz
10 verified answers

The Circulatory and Respiratory Systems