Q: The third line of defense of the immune system is called? Choices: - the sudden response - the asymptomatic response - the malignant response - the immune response A:
the immune response

(Question)
Q: The oldest fossil of land plants date back how many millions of years? Choices: - 520 million years - 350 million years - 430 million years - 470 million years A:
(Answer)
470 million years

Ques: Q: The orbicularis oris is a circular muscle that moves the lips, and the orbicularis oculi is a circular muscle that does what? Choices: - pressure the eye - opens the eye - moisturizes the eye - closes the eye A:
Ans: closes the eye

(Q).
Q: The first line of defense includes mechanical, chemical, and which other barrier? Choices: - independent - physical - surgical - biological A:
(A).
biological

Ques:Q: Muscarinic receptors can cause both depolarization or hyperpolarization depending on the what? Choices: - strain - gravity - phenotype - subtype A:

Ans:subtype

Q: Of course, a net external force is needed to cause any acceleration, just as newton proposed in his second law of what? Choices: - land - gravity - speed - motion A:
motion