Throughout life our brains undergo more changes than any other part of the body. These can be broadly divided into five stages, each profoundly affecting our abilities and behaviour.
Gestation.....Part 1 of our special feature looks at how a good prenatal environment is needed to make the best out of the growing brain.
Childhood.....Part 2: Life experiences in these early years help shape our emotional well-being, but neglect or harsh parenting may change the brain for good.
Adolesence......Part 3: Teenagers are selfish, reckless, irrational and irritable, but given the cacophony of construction going on inside the adolescent brain.
Adulthood.......Part 4: The peak of your brain’s powers comes at around age 22 and lasts for just half a decade – but there is an upside to the ageing brain.
Old Age......Part 5: Not everyone ages in the same way, but what’s the difference between a jolly, intelligent oldie and a forgetful, grumpy one? And can we improve our chances of becoming the former?
Answer:
Neostigmine
Explanation:
This medication should be ideal to alleviate the muscle weakness since it is a drug that binds to and inactivates acetylcholinesterase.
In the case there is an acute myasthenic crisis where the patient has the inability to swallow and breathe properly it can not be administered orally, the parenteral form which is known as neostigmine methylsulfate should be used.
Answer:
The central nervous system receives information from the external and internal media, and upon any change or alteration sends an order to the endocrine system to compensate for the change, working together to maintain homeostasis.
Explanation:
The central nervous system (CNS) is in charge of coordinating and regulating the activity of the whole organism, including the activity of the endocrine system.
- The body has multiple internal and external receptors that perceive any change or alteration of the internal environment, and transmit it to the CNS.
- In the CNS the information is processed and a response is elaborated, which is sent to the effector organs.
- If the change or alteration requires being regulated by hormones, the effector is the endocrine system, in charge of synthesizing and secreting those hormones.
This <u>coordinated work that exists between the CNS and the endocrine system</u> makes it possible to correct any imbalance in the internal environment and to maintain homeostasis.
Oxidative stress is an imbalance between the production of free radicals (highly unstable molecules that are naturally formed when you exercise and when your body converts food into energy) and the ability of the body to counteract or detoxify their harmful effects through neutralization by antioxidants. Antioxidants such as thiols or ascorbic acid prevent free radicals forming due to oxidation. Some ways our bodies can be exposed to oxidative stress are by having an unbalanced diet, smoking, or sun exposure. Some ways to prevent oxidative stress are having a healthy diet, not smoking, exercising regularly and wearing sunscreen.
