Carries oxygen from pulmonary alveoles to tissue and returns carbon dioxide from tissue to the lungs. and has Fe ions that gives blood the specific red color. and veins specific purple red color is given after oxygen is realesed to the tissue by oxihemoglobine ( at low ph and high temperature because at those conditions the hemoglobine capacity of bonding dicreases) .
Answer b is the option. Because of the nature of a scientific hypothesis moves answers <span>problem.</span>
<span>The state in which all body systems are functioning smoothly and in equilibrium is homeostasis.</span>
Answer with Explanation:
Two genetic concepts were discovered before 1900.
a. preservation of beneficial traits (This was discovered by Charles Darwin in 1859. This theory provided the details about how an organisms survives and adapted to new environment.)
c. calculation of Mendelian inheritance (This was discovered by George Mendel in 1865. This law provided the detail about how genetics is inherited to offspring and what happens when traits move from one generation to other generation.)