Frogs do have lungs but they are small and rarely used, frogs mostly take in moisture through the skin in process called cutaneous gas exchange.
Answer:
X: Positive gravitropism
Y: Negative gravitropism
Explanation:
i just did the quiz and got it correct
I believe it is a solution, sorry if wrong
Answer:
Explanation:
infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.
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