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
AveGali [126]
3 years ago
9

A by-product of involuntary muscle contraction and relaxation is:

Biology
1 answer:
ehidna [41]3 years ago
4 0
A by-product of involuntary muscle contraction and relaxation is heat 
You might be interested in
True or false please help
Elanso [62]
False. Mount Everest is very cold.
3 0
3 years ago
Read 2 more answers
Help please<br>30 points​
Vlad1618 [11]

Answer:

1b

2d

3a

4c

5e

6f

Explanation:

3 0
3 years ago
Which organelle is the powerhouse of the cell and produces energy?
stich3 [128]

Answer:

mirtochandria

Explanation:

7 0
3 years ago
Read 2 more answers
Giving brainiest 5 stars and thank yous to the best answer! *Which pair of chromosomes determines sex in humans?* A. 15th B. 1st
Alex73 [517]

Answer: C 23rd set

Explanation:

3 0
2 years ago
Read 2 more answers
What is the term for different “jobs” that different cells perform in a multicellular organism? A. functions B. systems C. level
mylen [45]
Functions. this is the very idea behind differentiation.<span />
3 0
3 years ago
Read 2 more answers
Other questions:
  • Help please !!!!!!!!!!!!!
    6·1 answer
  • Sam came home from school with a cold caused by a virus and his sister, Ana, caught it from him. Sam got well and went back to s
    14·2 answers
  • What best describes the biological species concept?
    9·2 answers
  • Cholesterol is repelled by water and can be found between the layers of the phospholipids in the plasma membrane. What can be co
    11·1 answer
  • What cannot be determined by observing an individual
    13·1 answer
  • What kind of inheritance occurs if red flowers crossed with white flowers produce offspring with red patches and white patches o
    5·1 answer
  • Help with science plz! Giving brainlist :D
    11·1 answer
  • Testing has identified an autosomal recessive disorder in which the red blood cells are misshapen and irregular. This person pro
    8·1 answer
  • What in dna contains a sugar​
    6·1 answer
  • _____releases carbon dioxide as a waste product. *
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!