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
juin [17]
3 years ago
7

In cardiac muscle In cardiac muscle an action potential spreads throughout the Z discs. intercalated discs connect the muscle fi

bers together. calcium enters the cell from storage chambers called intercalated discs. potassium is released from the sarcoplasmic reticulum.
Biology
2 answers:
Anastasy [175]3 years ago
7 0

In cardiac muscle

a. an action potential spreads throughout the Z discs.

b. intercalated discs connect the muscle fibers together.

c. calcium enters the cell from storage chambers called intercalated discs.

d. potassium is released from the sarcoplasmic reticulum

Answer:

b. intercalated discs connect the muscle fibers together.

Explanation:

Intercalated discs are components of the muscles found in the heart(cardiac muscles).

Intercalated discs join the cardiomyoctes (muscle cells or fibers) together so that they can function as one and transmit signals amongst themselves during the contraction of the heart.

Intercalated discs are made of up desmosomes and gap junctions.

Intercalated discs are found on the lining of the sacromere and can only be seen by using a microscope to observe the longitudinal section of the heart tissue.

My name is Ann [436]3 years ago
3 0

Answer:

Option C => intercalated discs connect the muscle fibers together.

Explanation:

The cardiac muscle is a skeletal muscle tissue and one out of the three types of skeletal muscle tissue. The cardiac muscle is found in the heart and it is saddled with the responsibility of pumping blood.

In order to be able to pump blood to the vessels, he does it by pumping the blood into the circulatory system and this is done with the help of the contraction of the intercalated disc. The intercalated disc is use in the attachment of fibres of cardiac muscle.

You might be interested in
The layer of the atmosphere where most of our weather occurs is called
taurus [48]
The layer of the atmosphere where most of the weather happens is called the troposphere.
4 0
3 years ago
In what organelle (cell component) does cellular respiration take place?
ollegr [7]

Answer:

Cellular respiration takes place in mitochondria of a cell, hence it is also known as power house of cell , because it gives us energy in the form of ATP molecule .

3 0
3 years ago
According to the image below, which season is about to begin in the northern hemisphere?
vova2212 [387]

Answer:

winter

Explanation:

On this image, we can see the Earth being tilted away by 23.5 degrees from the Sun. This tilting puts the Northern Hemisphere in a situation where it is the one that is tilted away from the Sun, thus it will receive less sunlight, as well as less direct sunlight. That will cause lower temperatures on the Northern Hemisphere, thus the winter season will start, and it will last for around three months, at least at the mid-latitude zones. On the other side, the Southern Hemisphere is more exposed to the Sun during this tilting, so t receives more sunlight, and more direct sunlight, resulting in summer in this half of the planet.

5 0
3 years ago
Read 2 more answers
Sand on a beach is being continually washed farther down the shore. People who live near the beach want to stop this erosion. Wh
sergij07 [2.7K]

Answer:

The Answer is Letter A.

Explanation:

let residents build groins

7 0
3 years ago
If the answer is entriguing enough ill give brainliest<br> What is the meaing of life?
Westkost [7]

The actual meaning of life is to fulfill your purpose in life and accomplish your goals. What I mean by this is, everyone has a purpose, of why they are living. None of us will be here if we all didn't have a purpose

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which factor is a major cause of the changes that occur during puberty?
    12·1 answer
  • What is the discussion for animal tissues experiment?
    13·1 answer
  • 15]in the cells of some organisms, mitosis occurs without cytokinesis. this will result in
    15·1 answer
  • Which phrase best describes DNA? A. the structure that allows biochemical reactions to occur B. the structure that translates in
    7·1 answer
  • This microwave is heating up a cup of hot cocoa. The microwave uses what type of thermal energy transfer? Question 19 options: c
    11·1 answer
  • 7. In a free market economy, decisions are made according to the laws of
    13·2 answers
  • A student���s ability to think about a question and answer it correctly is directly controlled by the
    10·1 answer
  • What happens first when the amount of sunlight decreases?
    10·1 answer
  • What could you do to support or reject this hypothesis
    15·1 answer
  • Which scenario would most likely result in the extinction of one or more species? The water temperature of a pond decreases slig
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!