The answer is the first one
I wish I could help but I speak english.
Answer:
<em>In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left </em><em>atrium</em><em>.</em>
Answer:
C) an interneuron
Explanation:
A reflex arc is a neural pathway that controls a reflex action. In a simple spinal reflex, the pathway for an impulse is along a sensory neuron directly to a motor neuron through an interneuron because an interneuron enables communications (i.e a pathway for information passage) between a sensory neuron and motor neuron. They play vital roles in reflex actions, neuronal oscillations, neurogenesis in an adult mammalian vertebrate brain.
Answer: Option B
Explanation:
The hormones such as follicle stimulating hormone and luteinizing hormones stimulates the ovary producing multiple eggs if taken externally in the form of medication.
There are chances that the multiple eggs and at the time of fertilization more than one egg can get fertilized at the same time and twins can form.