Levels of Organization
Which two groupings represent the least complex levels in the levels of organization in the body?
Organism
Organ Systems
Organ
Tissues
Cells
Tissues & Cells
Which body system moves oxygen into the blood and removes carbon dioxide from the blood?
Respiratory
The ________ system is responsible for sending signals back and forth between the brain and the body.
This system absorbs nutrients in the body.
Digestive
The heart is part of the circulatory system.
Which of the following is the correct classification?
a) Heart : Circulatory System :: Tissue : Organ
b) Heart : Circulatory System :: Organ : Organ System
c) Heart : Circulatory System :: Tissue : Organ System
d) Heart : Circulatory System :: Organ System : Tissue
b) Heart : Circulatory System :: Organ : Organ System
immune
This body system helps protect internal organs and provides structure.
Skeletal
This system releases waste from the body.
Excretory
An animals liver is very important. It cleans the blood while also playing a key role in digestion. To which level of hierarchal organization does the lives belong?
a)organ
b)cell
c)tissue
d)organ system
Organ
Which system is responsible for the student being able to test the food?
a)muscular
b)nervous
c)immune
d)endocrine
Nervous System
As a runner is competing in a marathon, it is important for the runner to be able to absorb oxygen gas and then transport that oxygen and other nutrients throughout the body. Which of the following body systems work together (two) to perform these necessary functions?
a)skeletal
b)endocrine
c)circulatory
d)respiratory
e)integumentary
Circulatory & Respiratory
The _____________ system sends electrical impulses throughout the body helping the ___________ system move.
circulatory
nervous
muscular
nervous
muscular
Which of the following represents the correct order for the levels of organization in plants and animals?
a) cell → organ → tissue → organism → organ system
b) cell → organ system → organ → tissue → organism
c) cell → tissue → organism → tissue → organ system
d) cell → tissue → organ → organ system → organism
cell → tissue → organ → organ system → organism
The _________ system is responsible for the excretion of hormones throughout the body.
Endocrine
When a student is eating a hamburger at school, several different body systems are working together during the process. Which systems are responsible for the student being able to taste the food and chewing the food into smaller pieces by moving the jaw up and down? Select TWO correct answers.
a)muscular
b)nervous
c)digestive
d)endocrine
The cells ____________ is the powerhouse for the cell, providing chemical energy to carry out all of its cellular processes.
a)mitochondria
b)nucleus
c)vacuole
Mitochondria
Which grouping represents the most complex levels in the levels of organization in the body?
Organism
Organ Systems
Organ
Tissues
Cells
Organism
A student is creating a model of the human eye in their technology class. They are using a camera on motors to move the eye and the camera is attached to a computer with a cord to represent how the eye sends information to the brain.
Which body systems are best represented in this model?
Select TWO correct answers.
a)circulatory
b)skeletal
c)muscular
d)respiratory
e)nervous
Muscular & Nervous
The trunk of a tree carries out functions that are similar to the functions performed by which pair of human body systems?
a)muscular & nervous
b)excretory & digestive
c)skeletal & circulatory
d)respiratory & endocrine
skeletal & circulatory
Which of the following are examples of mechanical digestion?
1. Teeth breaking food down into smaller pieces
2. Esophagus pushing food into the stomach
3. Saliva begins to break down carbs
4. Stomach acid begins to break down proteins.
Teeth breaking food down into smaller pieces
Esophagus pushing food into the stomach