human body pt.1

which group contains only organs in a human body? a.heart brain skin b.skin blood nueron c.neuron heaart stomach d. stomach blood brain

a. heart brain skin

which is an example of how body maintains homeostasis? a. increasing thirst when cells are low on water. b.decreasing thirst when cels are low on water c.shivering when its hot d.swearing when its cold.

a. increasing thirst when cells are low

which best explains how the body maintains homeostasis?

all systems work together to stabilize body.

after running ollies blood pressure was high. as a relult his nervous system sent a message to decrease his heart rate and blood flow. which system worked with the nervous to maintain homeostasis? a. skeletal b. circulatory c. respiratory d. digestive

b. circulatory

which conditions need to be balance for cells to function

blood sugar,body water,body temp

which three living units of the human body in order from the simplest to the most complex level of organization? a. red blood cell---circulatory system---blood b.nervous system--nerves----brain c.red blood cell---heart tissue--circulatory system d.bone tissue---skeletal system---bone

c. red blood cell-heart tissue---circulatory system

Which organ systems are used to help the body shiver?

nervous and muscular

Which is a group of tissues that work together to carry out a common function?

organ

which describes a group of organs that wrok together to perform a common function?

organ system

when the body is cold an interaction of systems allows the body to warm itself. which of these help the body warm itself when its cold? check all that apply.

shivering, goosebumps forming, hair on body standing up

a group of cell that have the same function is called?

tissue

The hairs on Xander's arms just started lying flat against his skin. Which is most likely his internal body temperature?

38.5°C

Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?

The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.

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

They deliver oxygen to the blood.