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natali 33 [55]
3 years ago
6

How does the structure of cardiac myocytes and intercalated discs allow the function of cardiac muscle tissue and the heart?

Biology
2 answers:
zvonat [6]3 years ago
8 0
<span>Answer: The structure of the heart is very complex. Cardiac myocytes and intercalated discs follow the function of cardiac muscle tissue and the heart make up part of this very complex system.</span>
svlad2 [7]3 years ago
5 0

The intercalated discs of the heart muscle have gap junctions that allow electrical impulses to pass from one myocyte to the next, so they contract in unison as a syncytium, in a phenomenon called electrical coupling. Intercalated disks also have desmosomes, that provide structural support and prevent the myocytes from tearing away from one another during the stresses of contraction.

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NASA has a secret meeting that they code name the ""council of__""
Yuliya22 [10]

Answer:

NASA

Explanation:

the secret meeting was held by NASA

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3 years ago
The vastus medialis provides a _____ pull on the patella when contracting concentrically.
OverLord2011 [107]
The word that best fits the statement is the term "superolateral." The vastus medialis is located at the quadriceps muscles wherein it is the most medial among the muscle groups. It is specifically placed at the top portion of the muscle just above the knee. 
6 0
2 years ago
A woman with type A blood (whose father was type O) has children with a man that has type O blood. Both individuals are heterozy
Fantom [35]

Answer:

Explanation:

A woman with type A blood (whose father was type O) meaning her genotype is AO mates with

Man that has type O blood (OO genotype)

Both are heterozygous for MN blood group and both also heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh)- which determines the expression of the A and B antigen.

Cross

A O M N H h

O AO OO M MM MN H HH Hh

O AO OO N MN NN h Hh hh

Type A- 1/2 O-1/2 type M- 1/4 MN-1/2 N- 1/4, type H- 3/4 h-1/4

Type A with M antigen:

1/2*1/4*3/4 = 3/32

Type A with M and N antigens:

1/2*1/2*3/4 = 3/16

Type A with N antigen:

1/2*1/4*3/4 = 3/32

Type O with M antigen:

1/2*1/4*3/4= 3/32

Type O with M and N antigens:

1/2*1/2*3/4 = 3/16

Type O with N antigen:

1/2*1/4*3/4 = 3/32.

The 3/4 value comes from the expression of Hh-3/4 (this determines if the A and B Angie will be expressed).

8 0
3 years ago
blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, the bl
snow_tiger [21]

Blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, alternately increases and then decreases.

<h3>What is the purpose of blood flow in heart?</h3>

The removal of positive charge by electrochemical gradients causes the membrane potential of the cell to shift more strongly in the direction of the equilibrium potential for potassium.

The membrane would become more negative as potassium permeability through the membrane increased. Given that potassium is a positively-charged ion and that the intracellular environment has a net negative charge, enhancing the membrane's permeability would result in a more negative membrane.

For instance, the amplitude of the potassium concentration gradient across the myocyte decreases as the external potassium level rises, lowering the resting membrane potential.

To know more about blood flow in heart you may visit :

brainly.com/question/4220852

#SPJ4

4 0
1 year ago
What should James use to convert sunlight into electricity?
amm1812

Answer:

did you ever get the answer to this because i need it

Explanation:

7 0
3 years ago
Read 2 more answers
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