Human Circulatory System Concepts

Human Circulatory System Concepts

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video provides an in-depth look at the respiratory and circulatory systems, explaining the structure and function of the lungs, bronchi, alveoli, and the process of gas exchange. It covers how blood pH is regulated and the role of chemoreceptors. The video also describes the components of blood, including red and white blood cells and platelets, and their functions. Finally, it gives an overview of the circulatory system, detailing the heart's structure and the flow of blood through arteries and veins.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the hairs lining the nose and trachea?

To increase the speed of air entering the body

To filter and warm the air entering the body

To cool the air entering the body

To humidify the air entering the body

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which disorder is commonly associated with smokers and affects the alveoli?

Asthma

Bronchitis

Pneumonia

Emphysema

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the body respond to increased acidity in the blood during exercise?

By increasing breathing rate

By lowering body temperature

By decreasing heart rate

By reducing blood flow to muscles

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the normal pH level of human blood?

8.0

7.4

7.0

6.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of hemoglobin in red blood cells?

To clot blood

To fight infections

To bind and transport oxygen

To transport carbon dioxide

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of platelets in the blood?

To aid in blood clotting

To carry nutrients

To fight infections

To transport oxygen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of white blood cells?

To carry carbon dioxide

To fight infections

To aid in digestion

To transport oxygen

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