The “3 R's” are a mantra for the environmentally friendly restaurant manager. By reducing waste, reusing containers, and recycling materials, your business can make huge strides when it comes to sustainability. ...
Answer:
Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.
Explanation:
Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.
Okay so the order would be
An owl, a fungus, a deer, a fox
That is the answer because I got it wrong then I look at the explanation
Answer:
The correct answer is a. sympathetic nervous system.
Explanation:
The sympathetic nervous system involves the rapid involuntary response called fight and flight response during stress conditions. In a stressful condition, our body parts give signals to the hypothalamus which stimulates the sympathetic nervous system of the body.
The activated sympathetic nervous system then stimulates the release of a hormone called adrenalin and nor-epinephrine from the adrenal gland. These stress hormone together with neural activity give rise to fight and flight response.
During this response our mind becomes alter, breathing becomes deep, heart rate becomes high, pupil diabetes, and excess sweating occurs. Therefore the correct answer is a.
Often times, we overlook the complexities and beauty of our bodies, and after learning science, I realized how complex our bodies really are and how hard every cell is working to keep us alive. It’s really impressive! I’ve grown to have a greater appreciation for the human body.
