The answer is Observation. That's the first step.
Answer:
Cardiac muscle fibers have a single nucleus, are branched, and joined to one another by intercalated discs that contain gap junctions for depolarization between cells and desmosomes to hold the fibers together when the heart contracts.
Explanation:
Answer:
Give me answer choices then I can help you
Explanation:
Go to the Prenatal Testing page for more details. If one parent has sickle cell trait (HbAS) and the other has sickle cell anaemia (HbSS) there is a one in two(50%) chance that any given child will get sickle cell trait and a one in two chance that any given child will get sickle cell anaemia.
Answer:
<u>Definitions:</u>
endothermos: An ectotherm (reptile/amphibian) relies primarily on its external environment to regulate the temperature of its body.
ectothermos: Endotherms (birds) are able to regulate their body temperatures by producing heat within the body.
<u>Examples:</u>
endothermos: People, polar bears, penguins, and prairie dogs, like most other birds and mammals.
ectothermos: reptiles, amphibians, crabs, and fish.