A nursing mother hears a baby crying and lets down her baby is not hers. The hor

Question

A nursing mother hears a baby crying and lets down her baby is not hers. The hormone that simulated this response was A) estrogen. B) progesterone. C) oxytocin. D) prolactin. E) FSH. The cells that control the secretion of all the hormones produced by the pituitary are in the A) adrenal gland. B) pancreas. C) testes. (D) hypothalamus. The general sequence by which a plant responds to stimuli is A. chloroplast vascular bundle sap. B. reception transduction response. C. sensory nerve interneuron motor nerve. D. input reflex output. E. leaf stem root. In plants, vascular tissue that consists of living cells that distribute sugars Throughout the plant is called A. Xylem. B. Stomata C. Phloem. D. Transport tissue. E. Lichens. The heart chambers in an insect, a fish, an amphibian, and a bird are the same in structure. are most efficient systems for that size of organism. represent an open system and closed systems of two, three, and four chambers, respectively. kind of white blood cell is involved in the production of antibodies? neutrophils lymphocytes monocytes eosinophils macrophage

Explanation / Answer

18. D) hypothalamus

Specifically, the anterior pituitary regulates all the hormones.

19. B) reception transduction response

20. C) Phloem

Xylem and phloem are the only cells that transport materials and in the both, xylem is dead and only phloem are live cells.

21. C) represent open system and closed system with 2, 3 and four chambers.

The four chambered heart, as seen in humans , is a closed system and fishes and insects have open system.

22. B) lymphocytes

Lymphocytes are responsible in production of B and T cells.

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