Blood consists of many different types of cells. These cells work together to keep a person's blood healthy. Which of the following BEST classifies blood?
A.
organ
B.
tissue
C.
organism
D.
organ system
B. Tissue
Which of the following is an example of an organ system?
A.
a human bladder storing waste for removal from the body
B.
a plant's roots absorbing water and minerals from soil
C.
the living material that lines the inside of a cheek
D.
a heart, arteries, and veins all working together
D. A heart, arteries, and veins all working together
Which two systems interact most to supply the body with nutrients?
A.
The endocrine system produces hormones that regulate hunger, and the muscular system assists the body in moving food into the stomach.
B.
The digestive system breaks down the food to make it available for absorption, and the circulatory system transports the nutrients to parts of the body.
C.
The nervous system stimulates the appetite, and the excretory system removes waste that was not absorbed by the body.
D.
The skeletal system absorbs all the nutrients needed for the body, and the integumentary system removes excess liquid from food.
B. The digestive system breaks down the food to make it available for absorption, and the circulatory system transports the nutrients to parts of the body.
Which organelle in a plant cell captures radiant energy from the Sun?
A.
chloroplast
B.
mitochondrion
C.
ribosome
D.
nucleus
A. Chloroplast
The graph below shows how the respiratory system changes as a person goes from resting to running to walking to resting again. The respiration rate is the number of breaths a person takes per minute.
Based on the graph, which of the following is a function of the respiratory system?
A.
to deliver oxygen to cells for cellular respiration at different rates so that different amounts of energy can be made when needed
B.
to detect changes in the outside world through nerve impulses and send these impulses throughout the body
C.
to increase the breathing rate during heavy activity so that more carbon dioxide can be absorbed by respiratory cells
D.
to decrease a person's heartbeat during heavy activity and decrease the flow of blood to areas that will pool with blood
A. to deliver oxygen to cells for cellular respiration at different rates so that different amounts of energy can be made when needed
A tissue in a living organism is made up of one or more
A.
types of acids, which maintain the integrity of a single cell membrane in an organism.
B.
types of cells, which work together cooperatively.
C.
types of organs, which work independently of one another.
D.
types of organ systems, which interact with one another to help an organism function.