Chemistry Review Worksheet: The Human Body

Human Body Review Worksheet

Adult Education Chemistry Human Body Review Worksheet Medium 15 Questions 9 Views

Classroom Worksheet

Chemistry Review Worksheet: The Human Body

Human Body Review Worksheet

Name____________________________

Date________________

Score______ / 15

Grade: Adult Education

Subject: Chemistry

Topic: Human Body

Time: 20 Minutes

Difficulty: Medium

Questions: 15

Instructions:
Read each question carefully and answer in complete sentences when needed. This worksheet reviews important chemistry ideas as they relate to the human body. Questions start with simpler review and become more challenging.

Skills Practiced:

Human Body
Chemistry
Critical Thinking
Problem Solving

1Question

What is the main element that makes up water, which is found throughout the human body?

2Question

What is the approximate percentage of the human body made up of water?

3Question

Name one common mineral found in the human body that is important for bones and teeth.

4Question

What is the pH scale used to measure?

5Question

Is blood slightly acidic, neutral, or slightly basic?

6Question

What is an electrolyte in the human body?

7Question

Name two important electrolytes in the body.

8Question

Why is sodium important in the human body?

9Question

What type of molecule is the main source of quick energy for the body?

10Question

What is glucose used for in the body?

11Question

What process do cells use to break down glucose and release energy?

12Question

Why are proteins important in the human body from a chemistry point of view?

13Question

What is the role of enzymes in the body?

14Question

How does temperature affect enzyme activity in the human body?

15Question

Explain how chemistry helps the human body maintain homeostasis.

Answer Key

#	Answer
1	Hydrogen and oxygen.
2	About 60%.
3	Calcium.
4	How acidic or basic a substance is.
5	Slightly basic.
6	A substance that carries an electric charge when dissolved in body fluids.
7	Sodium and potassium.
8	It helps control fluid balance, nerve signals, and muscle function.
9	Carbohydrates, especially glucose.
10	It is used by cells for energy.
11	Cellular respiration.
12	They build and repair tissues and also help form enzymes, hormones, and other body chemicals.
13	Enzymes speed up chemical reactions.
14	Enzymes work best at an optimal temperature; too much heat or too much cold can reduce their activity.
15	Chemistry helps regulate body fluids, pH, temperature, nutrients, and chemical reactions so body systems stay balanced and work properly.