Answer:
Kidney
Explanation:
The kidney is the body system that regulates the acid base balance of the blood.
Answer:
Constant variables
Explanation:
Elaina's investigation lacked the critical ingredient of constant variables which are important components of every scientific investigation. In every research, there are 3 important variables, namely:
1. Dependent variables: the actual variable to be measured during the course of investigations and whose values are dependent on another variable (independent variable) supplied by the investigators.
2. Independent variable: one of the variables that are supplied by investigators whose values are often manipulated to see the kind of changes it will cause to the dependent variable.
3. Constant variables: other variables that are neither independent nor dependent but constant for all the various experimental groups in investigations.
Trichomoniasis is caused by a protozoan parasite that causes a mal/odorous frothy yellow to green discharge, itching (pruritus), and burning.
<h3>What is Trichomoniasis?</h3>
Trichomoniasis is a disease caused by a parasite whose symptoms are hugely variable among different persons.
Trichomoniasis is caused by the protozoan <em>Trichomonas vaginalis</em>, which infects suitable human hosts.
Trichomoniasis is a serious-mid disease and it must be treated properly in medical settings.
Learn more about Trichomoniasis here:
brainly.com/question/3129990
1.) atom ; tissue
2.) cell
3.) organ system
4.) true
5.) atom
6.) Particle
^-^
The primary<span> motor </span>cortex<span> (Brodmann area 4) is a brain region that in humans is located in the dorsal portion of the frontal lobe.</span>
