Answer:
The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product. The main structures of the human respiratory system are the nasal cavity, the trachea, and lungs.
Explanation:
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Frogs reproduce by a special kind of embrace called "amplexus" which is an external fertilization that does not occur inside the female's body.
During mating (amplexus), the male frog grasps the female frog's trunk with his forelimbs.
The female frog discharges eggs into the water and then the male frog sheds the sperms over those eggs.
Vacuoles are storage bubbles found in cells. They are very large in plant cells and are used to store a variety of nutrients a cell might need to survive.
A food web consists of many food chains. A food chain only follows just one path as animals find food. exsample: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
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