Biology, 10.05.2021 23:10, jennifer7037
Lesson 21.3: Vocabulary I
Name Class Date
Match the vocabulary word with the proper definition.
Definitions
1. muscle tissue that is attached to bone
2. long, thin muscle cell that has the ability to contract, or shorten
3. theory that explains muscle contraction by the sliding of myosin filaments over
actin filaments within muscle fibers
4. tough connective tissue that attaches skeletal muscle to bones of the skeleton
5. human body system that includes all the muscles of the body
6. organs composed mainly of muscle cells
7. the region between two Z lines
8. involuntary, nonstriated muscle that is found in the walls of internal organs
such as the stomach
9. organelles contained within each muscle fiber
10. involuntary, striated muscle found only in the walls of the heart
11. tiny structures within the myosin filaments, that can attach to actin filaments
Terms
a. cardiac muscle
b. cross bridges
c. muscle fiber
d. muscles
e. muscular system
f. myofibril
g. sarcomere
h. skeletal muscle
i. sliding filament theory
j. smooth muscle
k. tendon
Answers: 1
Biology, 21.06.2019 19:00, valeriegarcia12
Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.
Answers: 2
Biology, 21.06.2019 23:30, connorgking
Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.
Answers: 2
Biology, 22.06.2019 05:00, beiachapman122
What is the farthest destination to date for a human spaceflight mission?
Answers: 1
Lesson 21.3: Vocabulary I
Name Class Date
Match the vocabulary word with the proper definiti...
Match the vocabulary word with the proper definiti...
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