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Questions in biology

[Homework Help] How is hemoglobin associated with respiration? Explain.

[Homework Help] When you step on a sharp object, you move your foot away at once. What type of response is this?

[Homework Help] Name three animals that breathe through their skin.

[Homework Help] Why is it necessary to remove waste material from our body? Explain.

[Homework Help] What is the full form of DNA?

[Homework Help] What is the pericardium? Name the instrument used to measure blood pressure.

[Homework Help] Describe the flow of blood in the human heart. Include a diagram for reference.

[Homework Help] What is the abdominal cavity?

[Homework Help] Why are lungs divided into very small sac-like structures?

[Homework Help] What happens to the carbon dioxide collected in human tissues?