Building a Body
This is the smallest unit of life
Cell
The Heart
This systemm breaks down food and absorbs nutrients
The digestive system
Tis system includes the heart, blood, and blood vessels
circulatory system.
Your heart beats faster as you walk up the stairs. Which system includes your heart?
The circulatory system
A group of similar cells working together form this
Tissue
Blood travels through these tubes
Blood vessels
This system brings oxygen into the body and removes carbon dioxide
The respiratory system
This system breaks down the food and absorbs nutrients
digestive system
You eat breakfast. Which system breaks down the food so nutrients can be absorbed?
The digestive system.
Different tissues working together form this. The heart is an example.
An organ
Name at least two of the three main parts of the circulatory system
Heart, Blood, blood vessels
In these orgeans, oxygen moves into the blood
The lungs
This system brings oxygen into your body and removes carbon dioxide
Respiratory system
You take a breath. Which two systems work together to bring oxygen into your body and carry it to cells?
A group of organs working together form this
An organ system
Blood delivers two important supplies to the cells. Name one of them.
Oxygen and nutrients
Most nutrients from digested food are absorbed into the body here
small intestine
This system includes the breain, spinal cord, and nerves. It sends messages througout the body
Nervous system
Your digestive system absorbs nutrients. Explain how those nutrients reach your leg muscle. What system carries them there.
Blood carries the nutrients to the cells though the blood vessels ( circulatory system)
Put these in order Organism- Cell- Organ System- Organ- tissue
cell-tissue-organ-organ system-organism
Blood delivers supplies to cells and carries something away from them. what does it carry away. ( Hint it brings oxygen)
Carbon Dixide
After oxygen enters the blood in the lungs, this system carries it to the cells?
The circulatory System.
Name both systems: one uses musclesto help you moves, the other is what gets rid of waste
Muscular and excretory system.
heart, circulatory system, and human