Human body

Question 1

Your brain is a structure composed of different kinds of tissue. What is this kind of structure called?

Answer 1

an organ

Question 2

Muscles, bones, and nerves work together to

Answer 2

make your body move.

Question 3

After you breathe air into your lungs, oxygen from the air goes into your

Answer 3

bloodstream

Question 4

The endocrine system produces chemicals that

Answer 4

control both daily activities and long term changes through hormones

Question 5

An effect of long-term stress is

Answer 5

homeostasis is disrupted

Question 6

One function of the skeleton is to

Answer 6

provide shape and support for the body

Question 7

What kind of motion is possible with a hinge joint?

Answer 7

backward and forward

Question 8

The spaces in bones are filled with a soft connective tissue called

Answer 8

marrow

Question 9

Which type of muscle is found only in the heart?

Answer 9

cardiac muscle

Question 10

How do pairs of skeletal muscles work together?

Answer 10

While one muscle in the pair contracts, the other returns to its original length.

Question 11

How does the skin help regulate body temperature?

Answer 11

by enabling excess heat to escape from the body

Question 12

Deciding whether to buy a new lightweight helmet that provides less protection than a heavier helmet is an example of

Answer 12

risk-benefit analysis.

Question 13

Organs join to form a(n) ____________________ that performs a major function.

Answer 13

Organ system

Question 14

The layer of skin that contains nerves and blood vessels is the ____________________.

Answer 14

dermis

Question 15

Technology changes ____________________ to meet human needs.

Answer 15

overtime

Question 16

Homeostasis can be upset by ____________________, which is the reaction of the body and mind to a threatening, challenging, or disturbing event.

Answer 16

stress

Question 17

The type of involuntary muscle that moves food through the digestive tract is called ____________________ muscle.

Answer 17

smooth

Question 18

To bend a joint, one muscle extends while another muscle returns to its original length.

Answer 18

False, contracts

Question 19

Blood cells are produced in red bone marrow.

Answer 19

True

Question 20

A nutrient is a substance that you get from food and that your body needs to carry out processes, such as contracting muscles.

Answer 20

True

Question 21

The bones that make up your backbone are called tarsals.

Answer 21

False, vertebrae

Question 22

The outermost layer of the skin is the epidermis

Answer 22

True

Question 23

Which type of muscle is indicated by C?

Answer 23

C is a skeletal muscle

Question 24

Tell whether each type of muscle tissue is voluntary or involuntary.

Answer 24

Cardiac is involuntary, smooth is involuntary, and skeletal is voluntary

Question 25

When you use a pencil for writing, which type of muscle — A, B, or C — moves your fingers?

Answer 25

C is a skeletal muscle

Question 26

What structure is represented by A? What are the parts of this structure?

Answer 26

A is a Cell and the structures are the cell membrane, nucleus, and cytoplasm.

Question 27

Identify the body system represented by D. List three structures that are part of this system.

Answer 27

Skeletal system has bones, cartilage, and ligaments

Question 28

Explain what functions this system performs in your body

Answer 28

It supports, protects, movements in the internal organ.