Science ch 11 Flashcards
Your brain is a structure composed of different kinds of tissue. What is this
kind of structure called?
an organ
Muscles, bones, and nerves work together to
make your body move
After you breathe air into your lungs, oxygen from the air goes into your
bloodstream
The endocrine system produces chemicals that
control both daily activities and long-term changes through hormones
An effect of long-term stress is
homeostasis is disrupted.
One function of the skeleton is to
provide shape and support for the body.
What kind of motion is possible with a hinge joint
backward or forward
The spaces in bones are filled with a soft connective tissue called
marrow
Which type of muscle is found only in the heart
cardiac muscle
How do pairs of skeletal muscles work together
While one muscle in the pair contracts, the other returns to its original length
How does the skin help regulate body temperature
by enabling excess heat to escape from the body
Deciding whether to buy a new lightweight helmet that provides less protection than a heavier helmet is an example of
risk-benefit analysis
Organs join to form a(n) ____________________ that performs a major function.
Organ system
The layer of skin that contains nerves and blood vessels is the ____________________.
derms
Technology changes ____________________ to meet human needs.
over time
