Cardiac muscles is the answer
The answer in the space provided is seizure. The likely symptoms of it is mentioned above such as the blank stare, period of distorted sensations and uncontrollable muscular contractions. Seizure mostly occur when there is likely a sudden attack of an illness to a person, triggering him or her into a shock which is the seizures.
The nucleus of an atom contain protons and neutrons, which make up most of the mass of an atom.
The answer would be 2 and 3 ( 2nd answer choice)
External respiration (correct answer) involves the exchange of oxygen and carbon dioxide within the environment.
The exchange of wastes through the skin is just called excretion by sweating.
There is no exchange of nutrients that occur in the lungs but rather absorption of nutrients is the function of the gastrointestinal tract.
The exchange of oxygen and carbon dioxide within the cell is called cellular respiration and involves carrying oxygen from the blood to the cell then the cell uses it as the final electron acceptor in the electron transport chain. The metabolic wastes of the cell, primarily carbon dioxide, goes now to the bloodstream to be exchanged for oxygen in the lungs.
Answer:
D
) ratio of neutrons to protons in each element.
