The four systems that describe the functions of the circulatory systems are:
- oxygen is delivered to cells throughout the body by this system
- This system removes carbon dioxide from organs & delivers it to the lungs.
- Carbon dioxide exits the body through this systems
- This system's organs pass oxygen into the bloodstream.
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What is the circulatory system?
The circulatory system can be referred to as a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of humans or other vertebrates.
The circulatory system includes the cardiovascular system, also known as the vascular system which consists of the heart and blood vessels.
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The physical properties describes all matter. Physical properties are color, length, volume, odor, and density have same essence and definition for all matter the only thing which changes is the variation in composition and quantum in each matter that give different values for the same physical properties for different matter
You're answer my dear person on this website is theory
Answer:
water-vascular system
Explanation:
Echinoderms exhibit several unique features and the presence of a water vascular system is one of them. The water vascular system of these organisms consists of a network of fluid-filled canals and chambers. The marine water enters and exits the system through an opening. This system functions as a hydrostatic skeleton during locomotion.
Tube feet of these organisms are filled with fluid as water enters into them via the canals of the water vascular system lead to them. This inflates the tube feet and serve in locomotion. The water entering through the water vascular system also brings in dissolved oxygen and food particles into the body.
Answer:
gain, rather than lose, heat by radiation.
Explanation:
The body is can lose the heat by evaporation, radiation, conduction, and convection. The sun transfers the heat on the earth through radiation which we absorb and our body temperature rises. The loss of heat from the body through radiation occurs normally when the air temperature is below 20-degree Celcius.
But in tropical regions, the temperature is very high so the gain of heat by radiation is more than the loss of heat by radiation which can lead to heatstroke in those people who do not have sweat glands because in this condition 85% of heat can be lost by sweating.
