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Very simple animals, such as sponges and some single-celled organisms, often lack a digestive tract or respiratory system because they rely on diffusion for nutrient uptake and gas exchange. Their small size and simple body structure allow them to directly absorb nutrients and oxygen from their environment through their cell membranes. This efficient method is sufficient to meet their metabolic needs, as they do not have complex body systems that require more specialized processing. Consequently, they thrive in aquatic environments where these processes can occur easily.
What else can I help you with?
What two body systems does the pharynx belong to?
The pharynx belongs to both the respiratory system and the digestive system. It serves as a passageway for air to travel from the mouth and nose to the trachea and for food to travel from the mouth to the esophagus.
Is esophagus part of the respiratory system?
No. The esophagus is part of the digestive system. The pharynx is part of both the digestive and respiratory systems.
What is the chamber shared by the digestive and respiratory system?
Pharynx is the region shared by both the digestive and the respiratory system.
How does the respiratory system deal with the digestive system?
Good respiratory system imoroves digestive system. People who does pranayama will know the results
How does the respiratory help the digestive system?
Respiratory system provides O2 to digestive system which is essential for all cells and their working .
Which organ system contains the intestines?
intestines: Digestive system lungs: Respiratory system
What is the relation between the digestive system and the respiratory system?
the digestive system is obliviously for breaking and digesting food whereas the respiratory system is for breathing
Does the respiratory system work with digestive system?
no
What is one reason the respiratory system is important to the digestive system?
The Circulatory System pumps blood and the Respiratory and Digestive System carry it though your body.
Is digestive system related to lungs?
No. Your Lungs are part of your respiratory system, not you digestive system
What pathway is in the digestive system and the respiratory system?
the respiratory system and the digestive system share the Pharynx. The Respiratory system contains the eppiglottis, which keeps food going down the esophogus instead of the trachea
Which body systems are involved in respiration?
respiratory system Circulatory system
