internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
The most common way to get your blood flowing is by exercising, improving your diet, have a hot bath, etc.
Darwin's plans to find out about simulated choice by examining pigeons is that he needed to learn whether you can change the entire species taking after that particular pigeon into another type of pigeons. I hope the answer will help you.
How do the skeletal and muscular systems work together to maintain homeostasis? Blood cells are created in the bone marrow inside of the bones of the skeletal system. Blood vessels contained within carry nutrients to the bone. ... Muscles engage in shivering in order to increase body temperature when needed.
Answer:
C) parfocal.
Explanation:
A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.
A microscope is said to be parfocal if its lense is binocular and they can both be in focus.
Hence, if the objective lenses of a microscope can be changed without losing focus on the specimen, they are said to be parfocal.