Explain how lungs of adult frogs can be used for movement?
Frogs can hold their breath longer underwater.
Lungs provide more oxygen for frogs underwater.
The lungs are filled with water that helps frogs float better.
Lungs can help frogs swim faster.

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?