Answer:
T-Cell
Explanation:
T-Cell is the first line of deffence
Answer:
The different use of the tongue in amphibians and mammalian.
Explanation:
The amphibians use their tongue to catch their prey by providing outward and extending inwards for election and digestion process. The mammals ( humans) use their tongue to taste and roll food into bolus with then goes through the oesophagus down to the stomach.
Answer:
"heart attacks are most often caused by a sudden drop in blood pressure."
