When the heart contracts, called systole, blood pressure increases. When the heart relaxes, called diastole, blood pressure decreases. Systole phase or contraction is started by the electrical cells of the sinoatrial node. The diastole phase is the period when the heart relaxes after contraction.<span> </span>
Answer:
1. Answer is B.
Explanation:
2. Bro this is something for the physics section, not biology.
A scanning electron microscope
Answer:
A rule Anatomists follow to name the muscles is to name them after a description of the muscle in some way. These include naming the muscle after its shape, its size compared to other muscles in the area, its location in the body
Explanation:
Some examples are flexor (decreases the angle at the joint), extensor (increases the angle at the joint), abductor (moves the bone away from the midline), or adductor (moves the bone toward the midline).
Se necesita una célula para clonar porque la clonación en biotecnología se refiere al proceso de creación de clones de organismos o copias de células o fragmentos de ADN (clonación molecular).