To actually control the color of their skin, cephalopods Use tiny organs in their skin called chromatophores. Each tiny chromatophores is basically a sac filled with pigment, minute muscles tug on the sac, spreading it wide and exposing the colored pigment to any light hitting the skin.
Answer:
B) physiological
Explanation:
When we feel under pressure, our nervous system instructs the body to release stress hormones, such as adrenaline and cortisol, that produce <u>physiological changes</u> in order to help us cope with the threat or danger we see looming over us. It is what is called "stress response" or "fight or flight" reaction.
When we are stressed, the respiratory system suffers the effect immediately. It usually costs us more to breathe and we do it faster in an attempt to quickly bring oxygen-rich blood to the body.
Cardiovascular effects also occur. When the stress is acute (at that precise moment), the heart rate and blood pressure rise, but return to normal once this has passed. If acute stress is experienced repeatedly or if the stress becomes chronic (if it lasts for a long period of time), it can cause damage to the veins and arteries. <u>This increases the risk of hypertension, heart attacks or heart attacks</u>.
Answer:
Most people in america are experiencing poverty. About 1.8 billion people are living off of $2 dollars a day. Feels like an impossible scenario, but’s a reality for around 600 million people in our world today. Approximately 8% of the global population lives in extreme poverty, commonly defined as surviving on only $1.90 a day, or less
Explanation:
Don’t give birth in a bath tub full of water. The recommend amount of water is no higher than the ankles or lower.
Answer:
Explanation:
Professional associations in healthcare represent a collection of professionals who work towards the common goal of promoting and improving the medical profession they are associated with. Additionally, many associations have career resources available such as tips on effective resumes or cover letters, job searching strategies and negotiating techniques. Another important reason to consider membership to a professional organization is to take advantage of their career resources.