Answer:
Revolution of earth around the sun
Explanation:
Answer:
Lysosomes
Explanation:
Salivary glands are secretory cells. Therefore, they have a very well-developed secretory system.
Lysosomes store secretory proteins and are important for keeping them sequestered from the rest of the cell, and eventually delivering them outside the cell.
10-On one of his #9 chromosome Rocky has the blood type allele (Bo) since Rocky is hybrid so he have the two alleles B and o in his genotype and B is dominant over o
The right answer is The first image (the left one).
An atrium is an upper cavity of the heart, delimited by a thin wall, receiving blood from the bloodstream. There are two in the human heart, they allow the passage of blood from the veins (cellars and lungs) to the ventricles (right and left).
In its upper part (near the entrance of the superior vena cava) is located the sinus node, microscopic structure from which the electrical impulse which ensures the contraction of the heart (especially atrium) ...
The depolarization of the action potential is conducted step by step in the cells of the right and left atria, accompanied by a contraction of the muscle fibers.
I think number one is b and number two is D.
I hope this helps!
