Answer:
The correct statement is that Cardiac muscles have shorter absolute refractory period than skeletal muscles.
Explanation:
"Cardiac muscle also called heart muscle or myocardium is one of three types of vertebrate muscles, It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart."
Answer:
wrong, it's D. deoxygenated blood has lower levels of oxygen inside of it compared to oxygenated blood
Explanation:
Deoxygenated blood is blood with low levels of oxygen that flows toward the heart. Oxygenated blood if blood with high levels/exposure to oxygen that flows away from the heart.
Although A is true, it doesn't explain the difference, more like a fact.
Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
Answer:
Parietal lobe is responsible in discriminating two things by the sense of touch only.
Explanation:
Among the major cerebral cortex lobes in the mammal’s brain, Parietal lobe is situated at the upper level of temporal lobe and is located behind the central sulcus and frontal lobe. It is mainly responsible for the sensory information integration from various parts of our body and connection between them.
It can help in discriminating two objects by sense of touch, and it can localize the touch. Some of its portions are responsible for visuospatial processing.
