I believe the correct answer is B. Nephridia are excretory organs. They are organs found in invertebrate animals that are present in pairs and are responsible for performing functions that are similar to the kidney of a vertebrate. They excrete wastes from metabolic processes.
Answer: A. Nitrogen
Explanation: Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Nucleic acids are very large macromolecules composed of repetitive units of the same building blocks, nucleotides, similar to a pearl necklace made of many pearls.
Answer: Option A) inhibits
GABA is a neurotransmitter that inhibits postsynaptic activity
Explanation:
Gamma amino butyric acid, GABA, is an inhibitory neurotransmitter in that, once released to the synapse, it inhibits or check muscular contractions by suspending further activity of the adjacent motor neuron.
Thus, by this mechanism, GABA inhibits postsynaptic activity
Answer:
The skin is the largest organ in the body: 12-15% of body weight, with a surface area of 1-2 meters. ... Basal cells are the innermost layer of the epidermis. ... The integumentary system has multiple roles in homeostasis, including protection, ... manner to maintain the internal conditions essential to the function of the body.
Explanation: