Answer:
PNS → CNS → PNS
Explanation:
CNS is Central Nervous System, and it consists of the brain and the spinal cord
PNS is the Peripheral Nervous System which is made of peripheral nerves that connect the CNS with the receptors and effectors.
Receptors are structures for the detection of the stimuli (information)
Afferent nerves (sensory neurons) carry that information to the brain (CNS), where the data is processed.
Interneurons conduct information within the CNS.
Efferent nerves (motor neurons) carry the information from the CNS to the effectors (muscles, glands) to perform a response (move her hand out of the way).
In fetus can be exposed to a variety of harmful agent that may cause birth defects. These agent are referred to as teratogens
Teratogen are agent or factor which causes malformation of the embryo. It cause abnormalities in the development of the fetus , If the mother is exposed to it during pregnancy. Example of different type teratogen is certain chemical, medication and infection.
Answer hormone signaling
seroid hormones hormon signaling it doesent make sense but its the correct answer pls mark me brainliest i need 1 more
HOPE THIS HELPS
Explanation: