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
Reptile [31]
3 years ago
12

The two ions that are responsible for the initial depolarization of cardiac muscle as they travel from the outside of a muscle c

ell to the inside of the cell are _______ ions.
Biology
1 answer:
VashaNatasha [74]3 years ago
7 0
The two ions are SODIUM AND CALCIUM IONS. Polarization refers to loss of polarization, that is, loss of the difference in charge between the inside and the outside of the plasma membrane of a muscle due to a change in permeability and migration of ion. When a heart muscle is depolarize, sodium ion and calcium ion channels open and they migrate into the cell from the outside. 
You might be interested in
Which of the following is mis-matched? a) scab – dried blood clot over injured tissue.b) abscess – a cavity created by tissue da
dezoksy [38]

Answer:

c) chemotaxis – chemical degradation inside a phagolysosome

Explanation:

Chemotaxis is made of; chemo and taxis. It describes the movement of an organisms in response to a chemical stimuli in their environment. These movement can be positive or negative.

A positive chemotaxis occurs when the movement is toward the direction of the chemical stimuli.

A negative chemotaxis is when the movement is towards the opposite direction  of the stimuli.

8 0
3 years ago
Which solution would mostly likely cause a plant placed in it to become firmer and more rigid
Elina [12.6K]
Hypotonic would mostly likely cause a plant placed in it to become firmer and more rigid.
7 0
4 years ago
On a footpad, which layer of skin is the thickest?
grandymaker [24]
A. Stratum corneum is the layer of skin that is the thickest.
4 0
3 years ago
Read 2 more answers
The backbone vertebrae, skull, and rib cage make up the _______ skeleton. Among other types of cells, bone marrow produces _____
Westkost [7]

Answer:

1. axial

2. red

3. Osteoblasts

4. osteoporosis

5. Ligaments

Explanation:

The axial skeleton consists of the bones of the head and trunk of a vertebrate including skull, and rib cage.

Bone marrow produces red blood cells, which carry oxygen in the blood.

Osteoblasts can become osteocytes, which are the third type of bone cells.

Osteoporosis  is a bone resorption disease in which bones rapidly deconstruct faster than new bone tissue grows, and decreases the mechanical strength of bones.

Ligaments connects one bone to other at joint such as medial collateral ligament (MCL) and anterior cruciate ligament (ACL) that joins knee.

Hence, the correct answer for the question is as follows:

1.axial

2. red

3. Osteoblasts

4. osteoporosis

5. Ligaments

7 0
4 years ago
The lascaux cave paintings seem to indicate that there was an abundance of large game animals during prehistoric times true or f
VikaD [51]
It is actually true.. 100 percent correct
8 0
3 years ago
Read 2 more answers
Other questions:
  • Are you smarter than a 7th grader!!!!
    14·2 answers
  • Scientists often use fruit files as a method to test hypothesis about human genes. Why are fruit files advantages in the study o
    13·1 answer
  • If a lunar eclipse occurs tonight, the next lunar eclipse would occur?
    10·1 answer
  • How to explain when a muscle undergoes atrophy in response to disuse?
    8·1 answer
  • Which of the following processes play a role in introducing both water and carbon in the earth's cycles? A) photosynthesis and r
    13·1 answer
  • Here are some points, enjoy them, luv you all, and heave a great day
    15·1 answer
  • The United States is often called the "melting pot" because people from all nations have made a home here. If someone has a gran
    14·1 answer
  • What is yhe role of decomposers in an ecosystem?
    5·1 answer
  • Extinctions that occur at a moderate rate and continuously open a limited number of opportunities for the origin of new species
    6·1 answer
  • What is likely to occur when a patients taking lithium carbonate has low sodium levels?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!