Chapter 11 Flashcards
(22 cards)
After you breathe air into your lungs, oxygen from the air goes into your
bloodstream
An effect of long term stress
homeostasis is disrupted
What kind of motion is possible with a hinge joint
backward or forward
Your brain is a structure composed of different kinds of tissue. What is this kind of structure called?
an organ
Deciding whether to buy a new lightweight helmet that provides less protection than a heavier helmet is an example of
risk-benefit analysis
How does the skin help regulate body temperature?
by enabling excess heat to escape from the body
Muscles, bones, and nerves work together to
make your body move
How do pairs of skeletal muscles work together?
while one muscle in the pair contracts, the other returns to its original length.
The endocrine system produces chemicals that
control both daily activities and long-term changes through hormones
Which type of muscle is found only in the heart?
cardiac muscle
The spaces in bones are filled with a soft connective tissue called
marrow
One function of the skeleton is to
provide shape and support for the body
The type of involuntary muscle that moves food through the digestive tract is called ____________________ muscle.
smooth
Organs join to form a(n) ____________________ that performs a major function.
organ system
Technology changes ____________________ to meet human needs.
overtime
Homeostasis can be upset by ____________________, which is the reaction of the body and mind to a threatening, challenging, or disturbing event.
stress
The layer of skin that contains nerves and blood vessels is the ____________________.
dermis
____________ 18.The outermost layer of the skin is the epidermis.
True
____________ 19. To bend a joint, one muscle extends while another muscle returns to its original length.
False, contracts
____________ 20. The bones that make up your backbone are called tarsals.
False, Vertabrae
____________ 21. Blood cells are produced in red bone marrow.
True
____________ 22. A nutrient is a substance that you get from food and that your body needs to carry out processes, such as contracting muscles.
True
