Answer:
Over three-quarters of the planet earth is covered with water. ... At room temperature (anywhere from zero degree centigrade to 100 degrees centigrade), water is found in a liquid state. This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second.
Explanation:
D. Earth's temperature is high enough that water on the surface
Answer: B. right atrium --> right ventricle --> left atrium --> left ventricle
Explanation: Deoxygenated blood enters the superior vena cava and inferior vena cava and collects it on the right atrium. It is then pumped up through a valve and enters the right ventricle. Then it is transported by the pulmonary artery to the lungs to become oxygen rich blood. From the lungs oxygenated blood enters into the pulmonary vein and back into the heart and goes inside the left atrium. The blood is pumped again through a valve going to the left ventricle and transported to the body through the aorta which distributes oxygen rich blood.
Answer:
Phagocytosis of pathogens.
Explanation:
Answer:
The missing step is oxygen is removed from the water after step 3.
Explanation:
The steps listed by Xavier are:
- <em>Water is drawn in trough pores and enters the central cavity.
</em>
- <em>Food is filtered and digested.
</em>
- <em>Water leaves trough an opening at the top of the body.</em>
Porifera or sponges are aquatic, immobile invertebrates whose structure is saccular with an upper opening, the osculus.
Sponges absorb water through their pores, where the porocytes are found, and through flagellated cells -the coanocytes- the movement that allows the entrance of water to the spongocele or atrium is produced, in addition to the phagocytosis of organic elements.
Once the water is in the interior chamber of the sponges, the organic particles are phagocyted to be digested, and the oxygen is removed from the water, and passes through diffusion into the cell. The waste products, as well as carbon dioxide, are released into the water that will be expelled through the osculus.
<u><em>In Xavier's list, the missing step is the removal of oxygen from the water, before it is expelled from the body of the sponge</em></u><em>.</em>
<em />
Learn more:
Sponge structure brainly.com/question/11256747
The wall of the left ventricle is thicker than that of the right - True
The left ventricle pumps more blood than the right - False
<u>Explanation:</u>
Heart has 4 number of chambers. One among these chambers is the left ventricle. Among the four cambers of the heart, the thick one is the left ventricle. It appears below the left atrium. The left ventricle is present in the bottom left part of the heart. When the contraction of heart occurs the blood from the valve called mitral enters the left atrium from the left atrium.
The left ventricle transports the oxygenated blood to the human body. The left ventricle needs along these things for pumping the blood. The right ventricle can function by itself and is more powerful than left ventricle. The right ventricle is responsible in pumping blood to the lungs on its own.
