Answer: b
Explanation:
no environmental exposure has been proved
The answer would be choice B.
This is because homeostasis is the regulation of body temperature and sweating, caused by the respiratory system, is a way the body maintains homeostasis.
Bulid and repair tissues, Make enzymes and hormones, and Help prevent infection. Hope this helps!
Answer:
Which of the following mechanisms is used by gram-negative bacteria to cross the blood-brain barrier? D) Inducing TNF
Explanation:
The blood brain barrier is a barrier formed by brain microvascular endothelial cells, astrocytes and pericytes. Pathogens can cross this barrier by using different mechanisms. The Tumor Necrosis Factor (TNF) is the way gram-negative bacteria cross this mentioned blood-brain barrier.
Most autotrophs<span> make their "food" through photosynthesis using the energy of the sun.</span>Heterotrophs<span> cannot make their own food, so they must eat or absorb it.</span>
