Answer:
In our respiratory system, there is a pair of external nostril situated above the upper lip that receives atmospheric air and passed to the pharynx (a common passage for air and food). The pharynx passed this air to the trachea via larynx (known as the soundbox). The trachea is an extended part which is divided into left and right primary bronchi. Bronchi divide into secondary bronchi, tertiary bronchi, and bronchioles that ending up in thin terminal bronchioles. Each terminal bronchiole constitutes a number of irregular-walled, thin and vascularised bag-like structures called alveoli which are the primary sites of gases exchange.
Answer:
Faciliated diffusion, which requires a carrier protein but no cellular energy. The energy for this process is provided by the concentration gradient of the substance being transported.
Answer:
The summers are hot, and the winters are very cold.
Explanation:
In the emotional, facial, memory, motor, social, spatial,
and verbal domains cerebral cortex abstracting thinking and decision making part
of the brain we can see frontal lobes of the cortex - higher order thinking and
good judgment impairment here; get them drunk and observe their social
judgment.
