Answers – Apnea; Ectopic
Apnea refers to suspension of breathing, so to have no
breathing is termed apnea. Ectopic
pregnancy (also known as tubal pregnancy means pregnancy that takes place (i.e.
an embryo implanted) in an abnormal place, in this case the fallopian tube.
Answer:
siguen normas estadísticas sencillas, resumidas en sus dos principios. Conocida también como la primera Ley de Mendel, de la segregación equitativa o disyunción de los alelos.
Explanation:
la herencia se transmite por elementos particulados (refutando, por tanto, la herencia de las mezclas)
Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.
Explanation: It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
Answer:B The nervous system controls the speed at which food moves through the digestive system
Explanation:During digestion,the nervous system helps to control the actions that takes place.they stimulate digestive juices and the muscles of digestive organs.
The extrinsic nerves comes to the digestive tract from the brain and the spinal cord.they release chemicals; acetylcholine and adrenaline.
Acetylcholine causes the muscles of the digestive organs to squeeze and push the food through the tract.adrenaline relaxes the muscles and reduces blood flow to the organs.these occurs unconsciously.
The intrinsic nerves acts to speed up or delay the movement of food in the digestive tract and also the production of digestive juices.