internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
Answer: yes
Just need question
Density=mass/volume
Therefore density here=3g/12mL=0.25g/mL
The correct answer to the question above is central vacuole. Central vacuole is the plant cell structure that stores large amounts of chemicals which includes salts, minerals, proteins, and water for the plant cell, and helps the cell to maintain its shape.
Answer:
Spiracles. Gasses enter / leave the insect through small openings called spiracles. ...
Tracheal Tubes. Insects have an impermeable exoskeleton and internal gas exchange system in order to prevent water loss (desiccation)
Tracheoles.
Taenidia (Chitin Rings)
Air Sacs
Explanation: