Answer:
The smallest basic unit of living things. They vary in shape, appearance and size depending on the type of organism and the function of those cells. The smallest cell, Mycoplasma or PPLO (Pleuropneumonia - like organism), is about 0.1 - 0.25 m in size.
Explanation:
Answer:
The skin
Digestive tract
Vagina
Mucous membrane
Explanation:
The skin prevents microbes from entering the body
Digestive tract e.g. stomach acid is a natural defence mechanism
The vagina is acidic and this prevents harmful bacteria from growing with it's own flora.
Mucous membranes e.g. lining of the mouth, nose, eyelids are all defense mechanisms.
I believe the answer is B or improper diet because certain foods that you eat such as junk food can upset your stomach which causes heat cramps
Answer: around 100 bpm (beats per minute)
Explanation:
basically your HR will decrease about 20 beats every 5 minutes or so