Welcome to Earth & Space Science — Unit test Answers

Which product of respiration is considered waste material and leaves the alveoli?

Which injury would likely cause the body to permanently lose the ability to perform simple reflexes?

Neurons and neuroglia work together to form nervous tissue, which is part of the nervous system. Which describes neurons and neuroglia?

Veins take blood back to the heart. Which gas would be most abundant in a vein that takes blood from muscle cells in the arm back to the heart?

PeristalsisSalivationDigestionSecretion

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. By changing the amount of water in the blood, blood pressure can change. The excretory system can help to lower blood pressure.Which would most likely occur in the kidney?

Once the body has begun shivering, what happens to make it stop shivering?

Which structures are parts of the central nervous system? Select all that apply.the brainthe heartthe spinal cordthe sensory neuronsthe bonesthe muscles

Which is the temporary storage tank for urine?

Which part of the autonomic system is most likely to be dominant while someone is napping after lunch?

The picture represents a protein in the stomach being broken down into individual amino acids.

Which blood component makes up 41% of the blood’s volume?

The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?

Sound can be heard when air passes over a respiratory structure that is located between the pharynx and the trachea.Which structure is responsible for the voice?

Lewis is exercising and his muscles need oxygen. Which best describes how systems interact to bring his body into homeostasis?

Examine the words.impulse, presynaptic cell, neurotransmitters, receptors, postsynaptic cellWhat idea can be described using all the words listed?

The picture represents the excretory system.

The digestive system and the excretory system both excrete waste.Which best describes how waste is secreted in each system?

Which best explains how the body maintains homeostasis?