Answer:
sympathetic nervous system
Explanation:
The sympathetic nervous system makes up part of the autonomic nervous system, which is also known as the involuntary nervous system. The sympathetic nervous system directs the body's rapid involuntary response to dangerous or stressful situations (fight or flight response).
Question:
What is eye lens?
Answer:
lens, in anatomy, a nearly transparent biconvex structure suspended behind the iris of the eye, the sole function of which is to focus light rays onto the retina.
Question:
How is its shape and size cchange.
Answer:
The Lens Changes Shape to Focus Near Objects. Light rays from objects that are close to the eye are not parallel.
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# Cary on learning
Prokaryotic cells do not have a nucleus, animals cells have a nucleus and plant cells have a nucleus. Animal cells and plant cells are both eukaryotic.
The endocrine system functioning is especially implicated in disorders like HIV ,infection, cancer, and arthritis. is FALSE
but the correct answer is the immune functioning which is implicated in disorders like HIV infection , cancer , arthritis and type 1 diabetes .
To know more about immune system here
brainly.com/question/2664345
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