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
balu736 [363]
3 years ago
7

Tetanic muscle contractions don't occur in a normal cardiac muscle because

Biology
1 answer:
Natalija [7]3 years ago
8 0
It doesn't occur because the refractory period lasts until the muscle finally relaxes. I'm in college, bio major. Hope my answer helps!
You might be interested in
WILL GIVE A BRANILEST AND 20PTS
Ymorist [56]
Hello Ziplovin31, widespread hunting of predators may result in <span>overpopulation of prey.</span>
7 0
3 years ago
Read 2 more answers
How do human sex chromosomes keep the numbers of males and females roughly equal?
Gnesinka [82]

Answer:

It is simple mathematics , because sex chromosome XX are found in female and XY in male the remaining 22 pairs are the same in both.

Explanation:

I looked it up. I'm sorry if it's wrong.

3 0
3 years ago
List the distribution of earths water from the greatest amount to the least amount
GuDViN [60]

Answer:

The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps.

Explanation:

4 0
3 years ago
New alleles can arise in both asexual and sexual reproduction.
german

Answer:

C - Mutations are the only source of genetic variation for asexual reproduction

8 0
3 years ago
Describe two ways in which we explore space AND describe two situations that prevent humans from long distance space travel.
Nezavi [6.7K]
1. for new forms of life
2. to find new inhabitable planets.
1.humans lack the technology to travel. by the time they get to the nearest inhabitable planet it would have been centuries.
2.ships we currently have are not made for far distance travel
5 0
3 years ago
Other questions:
  • Which of the following is called Energy of activation or Eact? The energy released during an exergonic reaction The additional e
    7·1 answer
  • After a special medicine is introduced into a petri dish containing a bacterial culture, the number of bacteria remaining in the
    5·1 answer
  • Which of the following places would you expect to have the coldest climate? A. A place that is very close to the poles. B. A pla
    11·1 answer
  • 4. Which form of transport through a cell membrane does not require the use of energy:
    6·1 answer
  • Four gases are described below:
    8·2 answers
  • The interrelationships between the endocrine and the nervous systems are especially apparent in
    5·1 answer
  • ________ is proportional overgrowth of all body tissue which is occurring because of excessive production of hGH before puberty.
    14·1 answer
  • Study the image.
    10·2 answers
  • What allows some individuals to have an advantage over others of the same species
    6·1 answer
  • Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the di
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!