1) ¿ Para qué respiramos ? 2) ¿ Cuáles son los principales gases que se intercambia a nivel pulmonar ? 3) ¿ Cuáles son los órganos que conducen el aire hasta los pulmones ( órganos de las vías respiratorias) ? 4) ¿ En qué estructura pulmonar sucede el intercambio gaseoso con los capilares y cómo se llama ese proceso?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Anton created a chart listing different types of materials. which best complete the chart?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens