Answer:
is one in which blood flows through two capillary beds before being sent back to the heart.
Explanation:
A portal system can be defined as a system of blood vessels having a capillary network at each end, meaning that the blood vessel starts and ends in capillaries, before finding its way back to the heart. The blood draining through the capillary bed flows via the larger vessel to supply the blood to the another structure's capillary bed.
I do not agree, only because there have been so many children to play with toys like that, and they have been perfectly fine, so its like a one out of million chance.
The outside of the phospholipid membrane is hydrophilic which attracts water and the inner lipid layer is hydrophobic which repels water causing water to be pulled into or out of the cell based on the concentration gradient of solutes
Food energy flows from one organism to another. Arrows are used to show the feeding relationship between the animals. The arrow points from the organism being eaten to the organism that eats it.
Answer:
Every substance is composed of molecules that have kinetic energy. Temperature is a measure of the average kinetic energy of molecules in the substance. Temperature is measured in units of degrees. As the kinetic energy of molecules increases, temperature also increases, and vice versa.
Explanation:
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