Answer:
It suggest which kind of substance it is but doesn't confirm it (unlike a confirmatory test).
Explanation:
Biomed Student?
Answer: The first piglet in the litter is being birthed backward.
Explanation:
Farrowing is a term that simply has to do with the action by which pigs give birth. Another term for farrowing is parturition.
As farrowing approaches, it should be noted that the the vulva and the vagina will enlarge which leads to the opening into the womb. When a fecal pellet is expelled from a sow's vagina during farrowing, the first piglet in the litter is being birthed backward.
Answer:
It allows for higher blood pressure in the systemic compared to the pulmonary circuit, leading to high efficiency of oxygenation of tissues. Oxygenated and deoxygenated blood have no possibility of mixing. Respiratory gas exchange is maximized because blood with lowest oxygen concentration from vena cava is directed toward the respiratory surfaces.
Explanation:
