AlohaS4
Answer & Explanation:
( Rh Factor ) represents the presence of the Rhesus protein in the blood.
( Rh+ ) blood contains the rhesus protein.
( Rh- ) blood does not contain the rhesus protein.
( Type O ) blood is the universal donor.
( Type AB ) blood is the universal recipient.
( Rh+ ) blood can receive Rh+ or Rh- blood.
( Rh- ) blood can receive Rh- blood.
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<em>~Aloha</em>
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<em>Btw: This contains the full Edge question. So, if you're using Edge, just click "done" for each part of the question and answer it. :)</em>
Answer:
where is the video please show its
Answer: option D) glucagon and insulin
Explanation:
The hormones glucagon and insulin are secreted by the islets cells found in the pancreas. Specifically, alpha cells of the islet produce glucagon, while its beta cells produce insulin.
Both hormones operate in opposite action, glucagon respond to low blood sugar levels while insulin respond to high blood sugar levels.
Similar to the other types of muscle, smooth muscle contraction is caused by the sliding of myosin and actin filaments over each other. Calcium initiates contractions in a different way in a smooth muscle than in a skeletal muscle.
Smooth muscles use less energy to generate the given amount of force, can substain contractile force without fatigue & uses calcium from the sarcoplasic reticulum & extracellular space.
Answer:
The pollen grain is creating a tube down the style of the flower. <u>It is necessary as that is how the pollen is able to travel down the style into the ovary where the baby seed is located. This is how the seed is fertilized, and is ready for reproduction.</u>
