The prenatal circulation of blood is different than the postnatal circulation, mainly because the lungs are not in use. The fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord. Blood from the placenta is carried to the fetus by the umbilical vein.
The mainstay of treatment for testicular cancer is chemotherapy. This is to eradicate malignant cells in the testicle. As a consequence, the patient can be sterile as the chemotherapy also attacks healthy living sperm. Since the patient wants to build a family, he should store his sperm and get it preserved by cryopreservation before the treatment is started.
Answer:
Organelles called chloroplasts allow plants to capture the energy of the Sun in energy-
Explanation:
Answer:
The duration that it takes for all voltage-gated Na+ channels to return to a closed, but active (not inactivated) state after the initial rapid depolarization "spike". ( D )
Explanation:
The property of a neuron's action potential that determines the maximum firing rate is ; The duration that it takes for all voltage-gated Na+ channels to return to a closed, but active (not inactivated) state after the initial rapid depolarization "spike".
The firing rate of a neuron defines the number of spikes that a neuron can produce per second and for a typical neuron that number is from 1 spike to 200 spikes per second
The science of life and of living organisms, including their structure,
function, growth, origin, evolution, and distribution. It includes
botany and zoology and all their subdivisions.Hope this helps!!
