Answer:
They block sperm from reaching an egg.
Explanation:
Unlike the traditional birth control pill, the mini-pill has only the hormone, progestin. Taken daily, the mini-pill thickens cervical mucus and prevents the sperm from reaching the egg.
Exoskeleton and Endoskeleton
Multicellular organisms e.g. man meet their needs through use of specialized systems that they have in their bodies. Examples of such include:
1. cardiovascular system composed of heart, veins and arteries which facilitate transport of nutrients to all parts of the body .
2. Skeletal system composed of bones, joints, ligaments and cartilage whose function is support and protection of the body. <span>
3. Digestive system composed of mouth, esophagus, stomach , small and large intestines whose function is breakdown of food and absorption of nutrients.</span>
Answer:
Autoimmune disorder
Explanation:
An autoimmune disorder occurs when the body's immune system attacks and destroys healthy body tissue by mistake.
The blood cells in the body's immune system help protect against harmful substances. These substances contain antigens. The immune system produces antibodies against these antigens that enable it to destroy these harmful substances.
When you have an autoimmune disorder, your immune system does not distinguish between healthy tissue and potentially harmful antigens. As a result, the body sets off a reaction that destroys normal tissues.
Stress Can Be Especially Detrimental to those with Autoimmune Diseases.
A new study has found an association between stress-related conditions such as anxiety and post-traumatic stress disorder (PTSD) and autoimmune diseases such as type 1 diabetes, celiac disease, and rheumatoid arthritis (RA).
Answer:
MedlinePlus. National Library of Medicine. ...
Centers for Medicare & Medicaid Services. 800-633-4227 (toll-free) ...
Centers for Disease Control and Prevention (CDC) 800-232-4636 (toll-free) ...
healthfinder.gov. www.healthfinder.gov.
Explanation: