Answer:
As no statements are provided, lets have a look at the mitochondria and its problems generally.
Explanation:
Mitochondria can be described as an organelle of the cell which is involved in cellular respiration. Mitochondria convert sugar and oxygen into carbon dioxide and water with the release of ATP. Hence, it is an important organelle and powerhouse of a cell.
Problems in the mitochondria will cause cellular respiration to not occur properly. As a result, cells will not receive enough ATP to carry out their normal functions. Hence, problems in mitochondria can cause serious effects in a person.
Answer: options D and E
Explanation:
The heartbeat in a human is mostly initiated by the sinoatrial node (SA node also known as the heart's natural pacemaker. Made up of a specialized bundle of cell that receives an impulse causing contraction of the atria wall allowing blood to flow into the ventricles. During systole, the ventricles are not relaxed but contracted to allow for bloodflow out of the ventricles to the aorta which is the largest artery in the human body.
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).