Предмет: Биология, автор: Eland0

Краткое сообщение по биологии на тему влияние курения и алкоголя на работе сердечно сасудестой системе.

Ответы

Автор ответа: JacketMiami
1

Ответ:

Влияние курения на сердечно-сосудистую систему. Курение способствует быстрому изнашиванию и старению сердечно-сосудистой системы, развитию гипертонической болезни, ишемической болезни сердца, в том числе инфаркта миокарда, стенокардии, облитерирующего эндартериита

Из-за того, что левый желудочек, который выталкивает кровь в аорту, постоянно напряжён из-за Алкоголя , повышается давление и развивается артериальная гипертензия. Если человек продолжает регулярно употреблять пиво и слабоалкогольные напитки (по 500 мл 2–3 раза за неделю), то повышается вероятность атеросклероза (отложение холестерина на стенках сосуда) и ишемии сердца (нарушение кровоснабжения сердца).  Также, вследствие регулярного принятия алкоголя, в сердце скапливается чрезмерное количество жира и, как следствие, ткани становятся дряблыми. Из-за этого нарушается работа миокарда, который со временем перестаёт справляться со своими функциями, повышается вероятность гипертонии, атеросклероза.

Объяснение:


klopss: можешь помочь пожалуйста
JacketMiami: чем?
klopss: у меня задание в профиле есть
klopss: В природе происходит закономерный круговорот химических элементов:
Почва – растения (животные – микроорганизмы) – почва.
Этот круговорот называют малым или биологическим.

1. Опишите его более детально, используя свои знания о продуцентах, консументах, редуцентах.
2. Почему почву называют редуцентным звеном биосферы?
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