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Lessons 3 & 4

Across
Sexual organs, such as the ovaries in females and testicles in males.
These are signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target organs to regulate physiology and behavior. They are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.
This is the biochemical interaction between molecules that produce an effect.
The action or process of self-indulgence, excessive drinking, and wasteful expenditure; dispersion, diffusion.
This gland is about the size of a pea and is situated in a bony hollow just behind the bridge of your nose. It is attached to the base of your brain by a thin stalk. It is often called the master gland because it controls several other hormone glands in your body, including the thyroid and adrenals, the ovaries, and testicles. It has two parts: Front (anterior) lobe, which is 80% of its weight. Back (posterior) lobe is 20% of its weight.
In biology, this is a nerve ending that senses changes in light, temperature, pressure, etc., and causes the body to react in some way.
Means of or relating to the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
Down
This is a powerfully addictive stimulant drug made from the leaves of the coca plant native to South America. Although health care providers use it for valid medical purposes, it is an illegal drug when not used by a doctor for medical purposes.
These are endocrine glands that produce adrenaline and steroids aldosterone and cortisol.
A region of the forebrain that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems, and involved in sleep and emotional activity.
Things or events that evoke a specific functional reaction in an organ or tissue.
A basic standard or level; guideline; a specific value that can serve as a comparison or control.
There are two types of these contained in the back part of the eye (the retina). These are called rods and cones. There are about 120 million rods in a human retina. They are most sensitive to light and dark changes, shape, and movement. There are about 6 million cones in the retina. Cones are most sensitive to green, red, and blue colors. Signals from cones are sent to the brain to translate what color is being seen and they only work if there is light.
The condition of being in a temporary state in which one's physical and mental faculties are impaired by an excess of alcoholic drink; intoxicated.