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Flashcards in Human body Deck (28)
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1
Q

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

A

an organ

2
Q

Muscles, bones, and nerves work together to

A

make your body move.

3
Q

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

A

bloodstream

4
Q

The endocrine system produces chemicals that

A

control both daily activities and long term changes through hormones

5
Q

An effect of long-term stress is

A

homeostasis is disrupted

6
Q

One function of the skeleton is to

A

provide shape and support for the body

7
Q

What kind of motion is possible with a hinge joint?

A

backward and forward

8
Q

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

A

marrow

9
Q

Which type of muscle is found only in the heart?

A

cardiac muscle

10
Q

How do pairs of skeletal muscles work together?

A

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

11
Q

How does the skin help regulate body temperature?

A

by enabling excess heat to escape from the body

12
Q

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

A

risk-benefit analysis.

13
Q

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

A

Organ system

14
Q

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

A

dermis

15
Q

Technology changes ____________________ to meet human needs.

A

overtime

16
Q

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

A

stress

17
Q

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

A

smooth

18
Q

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

A

False, contracts

19
Q

Blood cells are produced in red bone marrow.

A

True

20
Q

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

A

True

21
Q

The bones that make up your backbone are called tarsals.

A

False, vertebrae

22
Q

The outermost layer of the skin is the epidermis

A

True

23
Q

Which type of muscle is indicated by C?

A

C is a skeletal muscle

24
Q

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

A

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

25
Q

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

A

C is a skeletal muscle

26
Q

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

A

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

27
Q

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

A

Skeletal system has bones, cartilage, and ligaments

28
Q

Explain what functions this system performs in your body

A

It supports, protects, movements in the internal organ.