Answer:
Organs can be grouped by their function, these groups are called systems.
many types of tissues can combine to form an organ,
and
many organs grouped together are called tissue
Answer:
The correct answer is - acute stress disorder.
Explanation:
Acute stress disorder is a disorder that occurs due to exposure to an extremely traumatic situation such as death threats or serious accidents. It is characterized by developing dissociation and severe anxiety with sleeplessness, fear and other symptoms however it ends within month.
Acute stress is one of common anxiety disorder and occurs due to the traumatic past.
Thus, the correct answer is - acute stress disorder.
Stretching exercises would maintain his agility and flexibility without causing heavy force on his bones.