Answer:
d. Inspiration involves muscular contractions and expiration is passive
Explanation:
Breathing is the process of taking air in and out of the body or more specifically taking oxygen in and moving carbon dioxide out of the body. Our respiration rate is regulated by medulla in brain and alter according to our activities.
Quiet breathing is slow, relaxed breathing that lowers the blood pressure, slows the heart rate beat and calms the mind. It is done while sitting or maintaining a proper posture that require less energy and opposite to deep breathing that done during energetic activities like running.
Diaphragm is the main muscle movement during quiet breathing, which must contract to carry out it because its contraction draw the air to alveoli. So inspiration involves the contraction of muscles but the expiration is passive in quiet breathing. The reason is that due to the relaxed elastic muscles, the lungs and chest wall regain their resting volume according to the functional residual capacity.
Answer:
The plant will grow towards the wet sponge
Explanation:
The plant is in constant need of it's tools for survival: being sunlight, water, carbon dioxide, and other necessities. If the soil is extremely dry, then it will adapt to the pot/container, and grow towards the water source. This process also works with sunlight.
Answer:
The oceanic plate is forced beneath the continental plate.
Explanation:
This process is also known as "subduction".
Hope it helps!
The dense haris around the flowers of the woolly lousewort are vital because they<span> trap heat from the sun. So the correct option is B. Hope this helps a lot </span>
Answer:
indigenous species are native species of a country and bred in the same country by similar species. Exotic species are species that are brought from other countries bred within same varieties or crossed with indigenous or other exotic species.
Explanation: