1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nuetrik [128]
3 years ago
8

When the quadriceps contact what also must happen at the same time?

Biology
1 answer:
Inessa [10]3 years ago
8 0

Answer:

B. The hamstrings must relax.

Explanation:

When the quadriceps contact, the hamstrings must relax at the same time.

You might be interested in
What emerging technologies will make chemical energy safer, more usable, more efficient, and cleaner?
storchak [24]

Zipper fracking is a new technology that produces more oil and more gas, safely and effectively, all from rock formations. Well drilling is another way, you get clean, natural gas by drilling into wells that connect into the ground. All that being said, we could also get chemical energy to be more safer, more usable, more efficient, and cleaner, if people were not careless with their work.

5 0
3 years ago
Read 2 more answers
7 An atom consists of 12 protons, 12 electrons, and 12 neutrons. Which of the following can
andrew11 [14]
Yourblomb ss dndndnddb
3 0
3 years ago
Are sharks mammals?​
FinnZ [79.3K]
No they are not whales are
5 0
3 years ago
Read 2 more answers
Is a Jellyfish free-swimming for its whole life? Explain why or why not.
Keith_Richards [23]

Answer:

Jellyfish start off their life in the polyp stage. The stage we are used to seeing (e.g. the jellyfish looking stage) is called the medusa stage.

Explanation:

Look at this image and see how a jellyfish actually starts out as not free-swimming.

4 0
3 years ago
Which groups include vertebrates; Echinodermata, Chordata, Arthropoda, Annelida, or Mollusca?
Ira Lisetskai [31]

Chordata has vertebrates

3 0
3 years ago
Other questions:
  • Cardiac muscle causes movement in the
    10·1 answer
  • Which characteristic is necessary for natural
    5·1 answer
  • Marine debris is best described as being composed of _______. a. solid garbage b. untreated sewage c. toxic chemicals d. things
    5·2 answers
  • Typical United States weather patterns show the continental polar air mass moving south toward the Gulf of Mexico. Why does this
    12·1 answer
  • Which of the following best describes a person's genotype?
    11·1 answer
  • What therapy cures genetic disorders by inserting normal genes into sales with mutant genes?
    12·1 answer
  • Producers such as those that make the foods that are shown below, make glucose during the process of photosynthesis. Where in th
    7·1 answer
  • How much guanine is in a salmon
    14·1 answer
  • The planting of trees is detrimental to soil because it drains the soil of nutrients.
    14·1 answer
  • CHALLENGE YOURSELF
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!