Answer:
Apoptosis also plays a key role in human development. For instance, as we saw in the introduction, your hand started out as a paddle-like block of tissue when you were an embryo. The block was “carved” into fingers by apoptosis of the cells in between the developing fingers.
Explanation:
I would say oxygen because respiration is breathing mechanically.
D, because she wants to monitor the wildlife.
Answer:
[B] A middle ear infection.
Explanation:
An example of an acute disease is a middle ear infection. Acute diseases include broken bones, viruses like the flu and rotavirus, and infections like pink eye and urinary tract infections. Sometimes acute diseases can be severe and require emergency medical attention.
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