Answer:
Five involuntary movements are- Beating of heart, Breathing, digestion, eye re-flexion, salivation.
Explanation:
Involuntary movements can be described as uncontrolled movements of the body parts on which one has no control over.
Answer:
A. The scientist should restart the experiment at a step prior to
contamination.
Explanation:
Answer:
The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of serous fluid.
Explanation:
Between the parietal layer and visceral layer of an internal cavity there is serous fluid that reduces the friction between these two surfaces and allows an easier movement of the parietal and visceral layers. The serous fluid is produced by serous glands that are in the parietal and visceral membrane.
Answer:
The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers.
The answer to this is temporal summation
