Biology

Question 9 True or False? The human body naturally synthesizes its own cannabinoids, called endocannabinoids, that act as neurotransmitters to send signals throughout the body. True False Question 10 True or False? The fact that marijuana is legal means that it is safe to use. True False 1 pts 1 pts

How do messages travel around our body? A Voluntary muscles control the movement of nerves. B They travel through the red blood cells. C The nerves go through the bones to where the message needs to go. D The spinal cord and brain act as a highway for the signals to travel.

The elbow and knee joints are __ A saddle joint B pivot joint C ball-and-socket joint D hinge joint

Cellular respiration allows cells to break down glucose to release energy, which is used for cell processes. Which substance do cets in the human body need to carry out coluter respiration? ) water oxygen carbon dioxide chlorophy

Which is lest definition of a disease? a fever a rash B. a change the normal function of one or more body sy C. something that lives on another organism D. an antibiotic Which of these is an organism? 1. parasite d. antibiotic disease 1). virus 3.Which of these have developed a resistance to antibiotics? A. fungi B. parasites C. viruses D. bacteria Which of the following causes malaria? A. bacteria B. fungus C. virus D. parasite

Your cells are examples of eukaryotic cells. True False

Which question demonstrates the correct relationship between DNA and chromosomes in coding for cellular instructions? How is DNA organized into chromosomes, and how do genes within DNA provide instructions? Where are chromosomes located within a cell? What is the chemical composition of DNA? How are chromosomes replicated during cell division?

Why can't our cells use the energy in glucose directly? ¿Por qué nuestras células no pueden utilizar la energía contenida en la glucosa directamente? Glucose doesn't have enough energy Glucose is an inorganic molecule Glucose is for plants only Glucose is too big

(5P5) Zebra mussels show high reproductive success despite the rising water temperatures. Use the dropdown boxes to complete the following sentences for the explanation on how human activity affects zebra mussels success. As global temperatures square square This has led to an square in the outdoor human activities like boating, fishing, and other water sports increase ability of zebra mussels

What hormone helps regulate the sleep-wake cycle? Insulin Cortisol Adrenaline Melatonin