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.
The three ways or approaches that one can do to slow down
extinction or in a way to preserve biodiversity are the following;
-
Breeding endangered species that may preserve
and multiply their species
-
Protecting the endangered species in a way that
they should not be held captive, be sold or kill for materialistic goods or
food products
-
Prevention of using animal testing in factories
and companies
Answer: It regulates the electrical charges moving in and out of the cells of the body.
Explanation:
Answer: In short, mass is a measure of how much stuff is in an object, while weight is the gravitational force that acts on that stuff. So basically, weight is the result of gravity. The conversion factor, g, (10N/kg on the earth) has units that divide out the kilograms and multiply by
Explanation:
i dont think that helped you sorry
