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erma4kov [3.2K]
2 years ago
13

Myocardial cells have long refractory periods in order to ensure each contraction is____. This is

Biology
1 answer:
koban [17]2 years ago
7 0

Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..

Explanation:

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When can exponential growth happen?
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Answer:

The correct answer is option A, when there are unlimited resources

Explanation:

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3 years ago
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steposvetlana [31]

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How are freshwater and seawater alike?
lesantik [10]

Answer:

H20

Explanation:

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What is algae bloom?
Svet_ta [14]
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2 years ago
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A father has heterozygous A blood type, and his son has O blood type. What is the genotype of the mother
likoan [24]
Explanation:
With a Child's blood type of O the parents will be a combination of:
O and O
or
A and A
or A and B
or B and B.


Answer:
Since we know the father is A, then the mother must be O.

Since With the Parents' combination of blood types of A and O, the child can have the following possible blood types: A or O.
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