This activity requires students to drag organs of different body systems into the human body cartoon (Arnold) classifying them according to certain systems (digestive, skeletal, circulatory/respiratory, and nervous).
Answer:
Forms of passage of substances across the blood–brain barrier. (A) Passive diffusion: fat-soluble substances dissolve in the cell membrane and cross the barrier (e.g., alcohol, nicotine and caffeine). Water-soluble substances such as penicillin have difficulty in getting through.
Answer:
True
Explanation:
When we use sterilized containers for storing preserves and it must have air tight covers because the cover protect the preserve from the contact of oxygen, moisture and other environmental components that can degrade or spoil the preserve.
Better sealing of the containers keeps the preserve fresh and protect from reaction with environmental factors.
Hence, the given statement is "true."
Kinetic energy is the movement of something , for example a bowling ball when it hits the pins
Answer:
ozone is dangerous at ground level.
Explanation:
Ozone is a very active gas. When it is lower down in the atmosphere, it is closer to living things and can harm them. It can damage the leaves of plants and effect how they use sunlight to provide food. In humans it can cause headaches, eye irritation, coughs and chest discomfort.
