Listen Exercise Exercise Respond to the following based on your reading. ______ are chemical messengers secreted by glands. Exocrine glands, such as sweat glands, secrete fluids through ducts. _______ glands secrete hormones directly into the bloodstream. The _______ gland plays an important role in puberty and growth. Epinephrine, triggering the "fight or flight" response, is produced by the _______ glands, which sit on top of the kidneys. Most glands that secrete hormones operate using feedback mechanisms. When hormone concentrations are high, the gland will produce ________ of the hormone. Many cells produce chemicals called _______, hormone-like substances that impact inflammation and reproduction. The gland that helps regulate growth, body temperature, and the level of calcium in the blood is called the _______. Describe the function and compare steroidal and nonsteroidal hormones. How does each type of hormone interact with the cell? What other molecules are required for or involved in their function? Question 1 options: Question 2 (1 point) Listen Exercise Exercise Respond to the following based on your reading. The testes are male reproductive organs that produce and store _______, which is the male gamete containing half of the DNA in somatic cells. The typically 28-day process of egg release from the ovaries and, if fertilization does not occur, release from the body, is known as the _______ cycle. If two eggs are released and fertilized by two different sperm, then ________ twins will occur. If a hormone operates by entering a cell's nucleus and altering the expression of its DNA, then it is classified as a/n _______ hormone. Once sperm cells are mixed with seminal fluid to provide protection and nutrition, this mixture is known as _______. The bulbourethral and _______ glands play an important role in providing additional fluids to semen production. The first phases of a new zygote's growth through mitosis occur in the _______. The ________ germ layer will eventually develop into the skin and nervous system. A fetus growing in the uterus does not eat food or drink water. Instead, important nutrients, antibodies, and molecules pass from the mother through the _______. Make a list, or write a short paragraph, that explains the major stages of pregnancy after fertilization, through childbirth. Provide as much detail as possible. Question 2 options: 0 of 2 questions